diff --git a/README.md b/README.md
index 923745b83d..06e15d91be 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Lo-Dash <sup>v1.0.0-rc.1</sup>
+# Lo-Dash <sup>v1.0.0-rc.2</sup>
 [![build status](https://secure.travis-ci.org/bestiejs/lodash.png)](http://travis-ci.org/bestiejs/lodash)
 
 A utility library, usable as a drop-in replacement for Underscore, delivering [performance](http://lodash.com/benchmarks), [bug fixes](https://github.com/bestiejs/lodash#resolved-underscorejs-issues), and [additional features](http://lodash.com/#features).
@@ -6,18 +6,18 @@ A utility library, usable as a drop-in replacement for Underscore, delivering [p
 ## Download
 
 * Lo-Dash builds:<br>
-[Development](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.1/lodash.js) and
-[Production](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.1/lodash.min.js)
+[Development](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.2/lodash.js) and
+[Production](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.2/lodash.min.js)
 
 * Underscore builds:<br>
-[Development](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.1/lodash.underscore.js) and
-[Production](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.1/lodash.underscore.min.js)
+[Development](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.2/lodash.underscore.js) and
+[Production](https://raw.github.com/bestiejs/lodash/v1.0.0-rc.2/lodash.underscore.min.js)
 
-* CDN copies of ≤ v1.0.0-rc.1’s builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/):<br>
-[Lo-Dash development](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.1/lodash.js),
-[Lo-Dash production](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.1/lodash.min.js),
-[Underscore development](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.1/lodash.underscore.js), and
-[Underscore production](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.1/lodash.underscore.min.js)
+* CDN copies of ≤ v1.0.0-rc.2’s builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/):<br>
+[Lo-Dash development](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.2/lodash.js),
+[Lo-Dash production](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.2/lodash.min.js),
+[Underscore development](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.2/lodash.underscore.js), and
+[Underscore production](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.2/lodash.underscore.min.js)
 
 * For optimal file size, [create a custom build](https://github.com/bestiejs/lodash#custom-builds) with only the features you need
 
@@ -43,6 +43,7 @@ For more information check out these screencasts over Lo-Dash:
 ## Features
 
  * AMD loader support ([RequireJS](http://requirejs.org/), [curl.js](https://github.com/cujojs/curl), etc.)
+ * [_(…)](http://lodash.com/docs#_) supports intuitive chaining without calling [_(…).chain](http://lodash.com/docs#prototype_chain)
  * [_.bindKey](http://lodash.com/docs#bindKey) for binding [*“lazy”* defined](http://michaux.ca/articles/lazy-function-definition-pattern) methods
  * [_.clone](http://lodash.com/docs#clone) supports *“deep”* cloning
  * [_.contains](http://lodash.com/docs#contains) accepts a `fromIndex` argument
@@ -227,17 +228,22 @@ require({
 
 ## Resolved Underscore.js issues
 
- * Allow iteration of objects with a `length` property [[#799](https://github.com/documentcloud/underscore/pull/799), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L605-L611)]
- * Fix cross-browser object iteration bugs [[#60](https://github.com/documentcloud/underscore/issues/60), [#376](https://github.com/documentcloud/underscore/issues/376), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L618-L642)]
- * Methods should work on pages with incorrectly shimmed native methods [[#7](https://github.com/documentcloud/underscore/issues/7), [#742](https://github.com/documentcloud/underscore/issues/742), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L140-L146)]
- * `_.isEmpty` should support jQuery/MooTools DOM query collections [[#690](https://github.com/documentcloud/underscore/pull/690), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L807-L812)]
- * `_.isObject` should avoid V8 bug [#2291](http://code.google.com/p/v8/issues/detail?id=2291) [[#605](https://github.com/documentcloud/underscore/issues/605), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L888-L900)]
- * `_.keys` should work with `arguments` objects cross-browser [[#396](https://github.com/documentcloud/underscore/issues/396), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L981-L983)]
- * `_.range` should coerce arguments to numbers [[#634](https://github.com/documentcloud/underscore/issues/634), [#683](https://github.com/documentcloud/underscore/issues/683), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.1/test/test.js#L1382-L1385)]
+ * Allow iteration of objects with a `length` property [[#799](https://github.com/documentcloud/underscore/pull/799), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L605-L611)]
+ * Fix cross-browser object iteration bugs [[#60](https://github.com/documentcloud/underscore/issues/60), [#376](https://github.com/documentcloud/underscore/issues/376), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L618-L642)]
+ * Methods should work on pages with incorrectly shimmed native methods [[#7](https://github.com/documentcloud/underscore/issues/7), [#742](https://github.com/documentcloud/underscore/issues/742), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L140-L146)]
+ * `_.isEmpty` should support jQuery/MooTools DOM query collections [[#690](https://github.com/documentcloud/underscore/pull/690), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L807-L812)]
+ * `_.isObject` should avoid V8 bug [#2291](http://code.google.com/p/v8/issues/detail?id=2291) [[#605](https://github.com/documentcloud/underscore/issues/605), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L888-L900)]
+ * `_.keys` should work with `arguments` objects cross-browser [[#396](https://github.com/documentcloud/underscore/issues/396), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L981-L983)]
+ * `_.range` should coerce arguments to numbers [[#634](https://github.com/documentcloud/underscore/issues/634), [#683](https://github.com/documentcloud/underscore/issues/683), [test](https://github.com/bestiejs/lodash/blob/v1.0.0-rc.2/test/test.js#L1382-L1385)]
 
 ## Release Notes
 
-### <sup>v1.0.0-rc.1</sup>
+### <sup>v1.0.0-rc.2</sup> ###
+
+ * Specified more method chaining behaviors
+ * Updated `underscore` build compatibility to v1.4.3
+
+### <sup>v1.0.0-rc.1</sup> ###
 
 #### Compatibility Warnings ####
 
diff --git a/build.js b/build.js
index 7e507e933c..e3c447ab44 100755
--- a/build.js
+++ b/build.js
@@ -124,7 +124,7 @@
     'memoize': [],
     'merge': ['forOwn', 'isArray', 'isPlainObject'],
     'min': ['forEach', 'isArray', 'isString'],
-    'mixin': ['filter', 'forEach', 'functions'],
+    'mixin': ['forEach', 'forOwn', 'functions'],
     'noConflict': [],
     'object': [],
     'omit': ['forIn', 'indexOf'],
@@ -366,6 +366,8 @@
       .replace(/(?:(?:\s*\/\/.*)*\s*lodash\._[^=]+=.+\n)+/g, '\n')
       // remove lines with just whitespace and semicolons
       .replace(/^ *;\n/gm, '')
+      // consolidate multiple newlines
+      .replace(/\n{3,}/g, '\n\n')
       // consolidate consecutive horizontal rule comment separators
       .replace(/(?:\s*\/\*-+\*\/\s*){2,}/g, function(separators) {
         return separators.match(/^\s*/)[0] + separators.slice(separators.lastIndexOf('/*'));
@@ -439,7 +441,7 @@
    * @returns {String} Returns the method assignments snippet.
    */
   function getMethodAssignments(source) {
-    return (source.match(/lodash\.VERSION *= *[\s\S]+?\/\*-+\*\/\n/) || [''])[0];
+    return (source.match(/\/\*-+\*\/\n(?:\s*\/\/.*)*\s*lodash\.\w+ *=[\s\S]+?lodash\.VERSION *=.+/) || [''])[0];
   }
 
   /**
@@ -841,7 +843,7 @@
       // clip snippet after the JSDoc comment block
       match = match.replace(/^\s*(?:\/\/.*|\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/)\n/, '');
       source = source.replace(match, function() {
-        return funcValue;
+        return funcValue.trimRight() + '\n';
       });
     }
     return source;
@@ -1313,13 +1315,6 @@
           '  }'
         ].join('\n'));
 
-        // replace `_.isFinite`
-        source = replaceFunction(source, 'isFinite', [
-          '  function isFinite(value) {',
-          '    return nativeIsFinite(value) && toString.call(value) == numberClass;',
-          '  }'
-        ].join('\n'));
-
         // replace `_.omit`
         source = replaceFunction(source, 'omit', [
           '  function omit(object) {',
@@ -1412,6 +1407,11 @@
           '        result = [],',
           '        seen = result;',
           '',
+          "    if (typeof isSorted == 'function') {",
+          '      thisArg = callback;',
+          '      callback = isSorted;',
+          '      isSorted = false;',
+          '    }',
           '    if (callback) {',
           '      seen = [];',
           '      callback = createCallback(callback, thisArg);',
@@ -1437,7 +1437,7 @@
         // replace `_.uniqueId`
         source = replaceFunction(source, 'uniqueId', [
           '  function uniqueId(prefix) {',
-          '    var id = idCounter++;',
+          "    var id = ++idCounter + '';",
           '    return prefix ? prefix + id : id;',
           '  }'
         ].join('\n'));
@@ -1467,17 +1467,22 @@
           '  }'
         ].join('\n'));
 
-        // add `__chain__` checks to `_.mixin` and Array function wrappers
-        source = source.replace(/^( *)forEach\([\s\S]+?\n\1}.+/gm, function(match) {
-          return match.replace(/^( *)return new lodash\(([^)]+)\).+/m, function(submatch, indent, varName) {
-            return indent + [
-              'if (this.__chain__) {',
-              '  varName = new lodash(varName);',
-              '  varName.__chain__ = true;',
-              '}',
-              'return varName;'
-            ].join('\n' + indent)
-            .replace(/varName/g, varName);
+        // add `__chain__` checks to `_.mixin` and `Array` function wrappers
+        _.each([
+          matchFunction(source, 'mixin'),
+          /(?:\s*\/\/.*)*\n( *)forEach\(\['[\s\S]+?\n\1}.+/g
+        ], function(pattern) {
+          source = source.replace(pattern, function(match) {
+            return match.replace(/( *)return new lodash\(([^)]+)\).+/, function(submatch, indent, varName) {
+              return indent + [
+                'if (this.__chain__) {',
+                '  varName = new lodash(varName);',
+                '  varName.__chain__ = true;',
+                '}',
+                'return varName;'
+              ].join('\n' + indent)
+              .replace(/varName/g, varName);
+            });
           });
         });
 
@@ -1494,12 +1499,21 @@
         });
 
         // remove `lodash.prototype.toString` and `lodash.prototype.valueOf` assignments
-        source = source.replace(/ *lodash\.prototype\.(?:toString|valueOf) *=.+\n/g, '');
+        source = source.replace(/^ *lodash\.prototype\.(?:toString|valueOf) *=.+\n/gm, '');
 
         // remove `lodash.prototype` batch method assignments
-        source = source
-          .replace(/(?:\s*\/\/.*)*\n( *)forEach\(\['first'[\s\S]+?\n\1}.+/, '')
-          .replace(/(?:\s*\/\/.*)*\n( *)forEach\(filter[\s\S]+?lodash\.[\s\S]+?\n\1}.+/, '');
+        source = source.replace(/(?:\s*\/\/.*)*\n( *)forOwn\(lodash, *function\(func, *methodName\)[\s\S]+?\n\1}.+/g, '');
+
+        // move `mixin(lodash)` to after the method assignments
+        source = source.replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\).+/, '');
+        source = source.replace(getMethodAssignments(source), function(match) {
+          return match + [
+            '',
+            '',
+            '  // add functions to `lodash.prototype`',
+            '  mixin(lodash);'
+          ].join('\n');
+        });
 
         // remove unused features from `createBound`
         if (buildMethods.indexOf('partial') == -1) {
@@ -1619,23 +1633,23 @@
                 modified = snippet;
 
             if (!exposeAssign) {
-              modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.assign *= *.+\n/, '');
+              modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.assign *= *.+\n/m, '');
             }
             if (!exposeForIn) {
-              modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.forIn *= *.+\n/, '');
+              modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.forIn *= *.+\n/m, '');
             }
             if (!exposeForOwn) {
-              modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.forOwn *= *.+\n/, '');
+              modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.forOwn *= *.+\n/m, '');
             }
             if (!exposeIsPlainObject) {
-              modified = modified.replace(/(?:\n *\/\/.*\s*)* *lodash\.isPlainObject *= *.+\n/, '');
+              modified = modified.replace(/^(?: *\/\/.*\s*)* *lodash\.isPlainObject *= *.+\n/m, '');
             }
             source = source.replace(snippet, modified);
           }());
 
           // replace `isArguments` and its fallback
           (function() {
-            var snippet = matchFunction(source, 'isArguments');
+            var snippet = matchFunction(source, 'isArguments').trimRight();
             snippet = snippet.replace(/function isArguments/, 'lodash.isArguments = function');
 
             source = removeFunction(source, 'isArguments');
@@ -1821,6 +1835,8 @@
         source = removeIsFunctionFallback(source);
       }
       if (isRemoved(source, 'mixin')) {
+        source = removeVar(source, 'hasObjectSpliceBug');
+
         // simplify the `lodash` function
         source = replaceFunction(source, 'lodash', [
           '  function lodash() {',
@@ -1828,17 +1844,17 @@
           '  }'
         ].join('\n'));
 
-        // remove `lodash.prototype` additions
-        source = source.replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\)[\s\S]+?\/\*-+\*\//, '');
-        source = removeVar(source, 'hasObjectSpliceBug');
+        // remove all `lodash.prototype` additions
+        source = source
+          .replace(/(?:\s*\/\/.*)*\n( *)forOwn\(lodash, *function\(func, *methodName\)[\s\S]+?\n\1}.+/g, '')
+          .replace(/(?:\s*\/\/.*)*\n( *)forEach\(\['[\s\S]+?\n\1}.+/g, '')
+          .replace(/(?:\s*\/\/.*)*\s*mixin\(lodash\).+\n/, '')
+          .replace(/(?:\s*\/\/.*)*\s*lodash\.prototype.+\n/, '');
       }
 
-      // remove pseudo private properties
-      source = source.replace(/(?:(?:\s*\/\/.*)*\s*lodash\._[^=]+=.+\n)+/g, '\n');
-
       // assign debug source before further modifications that rely on the minifier
       // to remove unused variables and other dead code
-      debugSource = source;
+      debugSource = cleanupSource(source);
 
       // remove associated functions, variables, and code snippets that the minifier may miss
       if (isRemoved(source, 'clone')) {
@@ -1891,6 +1907,8 @@
       }
     }
 
+    source = cleanupSource(source);
+
     /*------------------------------------------------------------------------*/
 
     // used to specify creating a custom build
diff --git a/build/post-compile.js b/build/post-compile.js
index 002ab58609..4d7ba68b8d 100644
--- a/build/post-compile.js
+++ b/build/post-compile.js
@@ -10,7 +10,7 @@
     'lodash':
       '/*!\n' +
       ' Lo-Dash @VERSION lodash.com/license\n' +
-      ' Underscore.js 1.4.2 underscorejs.org/LICENSE\n' +
+      ' Underscore.js 1.4.3 underscorejs.org/LICENSE\n' +
       '*/',
     'underscore':
       '/*! Underscore.js @VERSION underscorejs.org/LICENSE */'
diff --git a/doc/README.md b/doc/README.md
index 8cd0114ada..b85a94e74d 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,4 +1,4 @@
-# Lo-Dash <sup>v1.0.0-rc.1</sup>
+# Lo-Dash <sup>v1.0.0-rc.2</sup>
 
 <!-- div -->
 
@@ -3050,7 +3050,7 @@ _.uniqueId();
 <!-- div -->
 
 ### <a id="_version"></a>`_.VERSION`
-<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4168 "View in source") [&#x24C9;][1]
+<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4318 "View in source") [&#x24C9;][1]
 
 *(String)*: The semantic version number.
 
diff --git a/doc/parse.php b/doc/parse.php
index f48473c46d..7bca1f165f 100644
--- a/doc/parse.php
+++ b/doc/parse.php
@@ -21,7 +21,7 @@
   // generate Markdown
   $markdown = docdown(array(
     'path'  => '../' . $file,
-    'title' => 'Lo-Dash <sup>v1.0.0-rc.1</sup>',
+    'title' => 'Lo-Dash <sup>v1.0.0-rc.2</sup>',
     'toc'   => 'categories',
     'url'   => 'https://github.com/bestiejs/lodash/blob/master/lodash.js'
   ));
diff --git a/lodash.js b/lodash.js
index fa85f7f190..1664a12964 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1,7 +1,7 @@
 /*!
- * Lo-Dash 1.0.0-rc.1 <http://lodash.com>
+ * Lo-Dash 1.0.0-rc.2 <http://lodash.com>
  * (c) 2012 John-David Dalton <http://allyoucanleet.com/>
- * Based on Underscore.js 1.4.2 <http://underscorejs.org>
+ * Based on Underscore.js 1.4.3 <http://underscorejs.org>
  * (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
  * Available under MIT license <http://lodash.com/license>
  */
@@ -4158,50 +4158,81 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /**
-   * The semantic version number.
-   *
-   * @static
-   * @memberOf _
-   * @type String
-   */
-  lodash.VERSION = '1.0.0-rc.1';
-
-  // assign static methods
+  // add functions that return wrapped values when chaining
   lodash.assign = assign;
-  lodash.after = after;
-  lodash.bind = bind;
   lodash.bindAll = bindAll;
-  lodash.bindKey = bindKey;
   lodash.chain = chain;
-  lodash.clone = clone;
   lodash.compact = compact;
-  lodash.compose = compose;
-  lodash.contains = contains;
   lodash.countBy = countBy;
-  lodash.debounce = debounce;
   lodash.defaults = defaults;
-  lodash.defer = defer;
-  lodash.delay = delay;
   lodash.difference = difference;
-  lodash.escape = escape;
-  lodash.every = every;
   lodash.filter = filter;
-  lodash.find = find;
-  lodash.first = first;
   lodash.flatten = flatten;
   lodash.forEach = forEach;
   lodash.forIn = forIn;
   lodash.forOwn = forOwn;
   lodash.functions = functions;
   lodash.groupBy = groupBy;
-  lodash.has = has;
-  lodash.identity = identity;
-  lodash.indexOf = indexOf;
   lodash.initial = initial;
   lodash.intersection = intersection;
   lodash.invert = invert;
   lodash.invoke = invoke;
+  lodash.keys = keys;
+  lodash.map = map;
+  lodash.max = max;
+  lodash.merge = merge;
+  lodash.min = min;
+  lodash.object = object;
+  lodash.omit = omit;
+  lodash.pairs = pairs;
+  lodash.pick = pick;
+  lodash.pluck = pluck;
+  lodash.range = range;
+  lodash.reject = reject;
+  lodash.rest = rest;
+  lodash.shuffle = shuffle;
+  lodash.sortBy = sortBy;
+  lodash.tap = tap;
+  lodash.times = times;
+  lodash.toArray = toArray;
+  lodash.union = union;
+  lodash.uniq = uniq;
+  lodash.values = values;
+  lodash.where = where;
+  lodash.without = without;
+  lodash.zip = zip;
+
+  // add aliases
+  lodash.collect = map;
+  lodash.drop = rest;
+  lodash.each = forEach;
+  lodash.extend = assign;
+  lodash.methods = functions;
+  lodash.select = filter;
+  lodash.tail = rest;
+  lodash.unique = uniq;
+
+  // add functions to `lodash.prototype`
+  mixin(lodash);
+
+  /*--------------------------------------------------------------------------*/
+
+  // add functions that return unwrapped values when chaining
+  lodash.after = after;
+  lodash.bind = bind;
+  lodash.bindKey = bindKey;
+  lodash.clone = clone;
+  lodash.compose = compose;
+  lodash.contains = contains;
+  lodash.debounce = debounce;
+  lodash.defer = defer;
+  lodash.delay = delay;
+  lodash.escape = escape;
+  lodash.every = every;
+  lodash.find = find;
+  lodash.has = has;
+  lodash.identity = identity;
+  lodash.indexOf = indexOf;
   lodash.isArguments = isArguments;
   lodash.isArray = isArray;
   lodash.isBoolean = isBoolean;
@@ -4219,120 +4250,89 @@
   lodash.isRegExp = isRegExp;
   lodash.isString = isString;
   lodash.isUndefined = isUndefined;
-  lodash.keys = keys;
-  lodash.last = last;
   lodash.lastIndexOf = lastIndexOf;
-  lodash.map = map;
-  lodash.max = max;
   lodash.memoize = memoize;
-  lodash.merge = merge;
-  lodash.min = min;
   lodash.mixin = mixin;
   lodash.noConflict = noConflict;
-  lodash.object = object;
-  lodash.omit = omit;
   lodash.once = once;
-  lodash.pairs = pairs;
   lodash.partial = partial;
-  lodash.pick = pick;
-  lodash.pluck = pluck;
   lodash.random = random;
-  lodash.range = range;
   lodash.reduce = reduce;
   lodash.reduceRight = reduceRight;
-  lodash.reject = reject;
-  lodash.rest = rest;
   lodash.result = result;
-  lodash.shuffle = shuffle;
   lodash.size = size;
   lodash.some = some;
-  lodash.sortBy = sortBy;
   lodash.sortedIndex = sortedIndex;
-  lodash.tap = tap;
   lodash.template = template;
   lodash.throttle = throttle;
-  lodash.times = times;
-  lodash.toArray = toArray;
   lodash.unescape = unescape;
-  lodash.union = union;
-  lodash.uniq = uniq;
   lodash.uniqueId = uniqueId;
-  lodash.values = values;
-  lodash.where = where;
-  lodash.without = without;
   lodash.wrap = wrap;
-  lodash.zip = zip;
 
-  // assign aliases
+  // add aliases
   lodash.all = every;
   lodash.any = some;
-  lodash.collect = map;
   lodash.detect = find;
-  lodash.drop = rest;
-  lodash.each = forEach;
-  lodash.extend = assign;
   lodash.foldl = reduce;
   lodash.foldr = reduceRight;
-  lodash.head = first;
   lodash.include = contains;
   lodash.inject = reduce;
-  lodash.methods = functions;
-  lodash.select = filter;
-  lodash.tail = rest;
-  lodash.take = first;
-  lodash.unique = uniq;
 
-  // add pseudo private property to be used and removed during the build process
-  lodash._iteratorTemplate = iteratorTemplate;
+  forOwn(lodash, function(func, methodName) {
+    if (!lodash.prototype[methodName]) {
+      lodash.prototype[methodName] = function() {
+        var args = [this.__wrapped__];
+        push.apply(args, arguments);
+        return func.apply(lodash, args);
+      };
+    }
+  });
 
   /*--------------------------------------------------------------------------*/
 
-  // add all static functions to `lodash.prototype`
-  mixin(lodash);
+  // add functions capable of returning wrapped and unwrapped values when chaining
+  lodash.first = first;
+  lodash.last = last;
 
-  // add `lodash.prototype.chain` after calling `mixin()` to avoid overwriting
-  // it with the wrapped `lodash.chain`
-  lodash.prototype.chain = wrapperChain;
-  lodash.prototype.toString = wrapperToString;
-  lodash.prototype.value = wrapperValueOf;
-  lodash.prototype.valueOf = wrapperValueOf;
+  // add aliases
+  lodash.take = first;
+  lodash.head = first;
 
-  // add methods that are capable of returning wrapped and unwrapped values
-  forEach(['first', 'last'], function(methodName) {
-    var func = lodash[methodName];
-    if (func) {
-      lodash.prototype[methodName] = function(n, guard) {
+  forOwn(lodash, function(func, methodName) {
+    if (!lodash.prototype[methodName]) {
+      lodash.prototype[methodName]= function(n, guard) {
         var result = func(this.__wrapped__, n, guard);
-        return (n == null || guard)
-          ? result
-          : new lodash(result);
+        return (n == null || guard) ? result : new lodash(result);
       };
     }
   });
 
-  // add all methods that return unwrapped values
-  forEach(filter(functions(lodash), function(methodName) {
-    return /^(?:bind|contains|every|find|has|is[A-Z].+|reduce.*|some)$/.test(methodName);
-  }), function(methodName) {
-    var func = lodash[methodName];
+  /*--------------------------------------------------------------------------*/
 
-    lodash.prototype[methodName] = function() {
-      var args = [this.__wrapped__];
-      push.apply(args, arguments);
-      return func.apply(lodash, args);
-    };
-  });
+  /**
+   * The semantic version number.
+   *
+   * @static
+   * @memberOf _
+   * @type String
+   */
+  lodash.VERSION = '1.0.0-rc.2';
+
+  // add "Chaining" functions to the wrapper
+  lodash.prototype.chain = wrapperChain;
+  lodash.prototype.toString = wrapperToString;
+  lodash.prototype.value = wrapperValueOf;
+  lodash.prototype.valueOf = wrapperValueOf;
 
-  // add all mutator Array functions to the wrapper.
+  // add mutator `Array` functions to the wrapper
   forEach(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
     var func = arrayRef[methodName];
-
     lodash.prototype[methodName] = function() {
       var value = this.__wrapped__;
       func.apply(value, arguments);
 
-      // avoid array-like object bugs with `Array#shift` and `Array#splice` in
-      // Firefox < 10 and IE < 9
+      // avoid array-like object bugs with `Array#shift` and `Array#splice`
+      // in Firefox < 10 and IE < 9
       if (hasObjectSpliceBug && value.length === 0) {
         delete value[0];
       }
@@ -4340,10 +4340,9 @@
     };
   });
 
-  // add all accessor Array functions to the wrapper.
+  // add accessor `Array` functions to the wrapper
   forEach(['concat', 'join', 'slice'], function(methodName) {
     var func = arrayRef[methodName];
-
     lodash.prototype[methodName] = function() {
       var value = this.__wrapped__,
           result = func.apply(value, arguments);
@@ -4352,6 +4351,9 @@
     };
   });
 
+  // add pseudo private property to be used and removed during the build process
+  lodash._iteratorTemplate = iteratorTemplate;
+
   /*--------------------------------------------------------------------------*/
 
   // expose Lo-Dash
diff --git a/lodash.min.js b/lodash.min.js
index 19c70c791f..acde0a7488 100644
--- a/lodash.min.js
+++ b/lodash.min.js
@@ -1,6 +1,6 @@
 /*!
- Lo-Dash 1.0.0-rc.1 lodash.com/license
- Underscore.js 1.4.2 underscorejs.org/LICENSE
+ Lo-Dash 1.0.0-rc.2 lodash.com/license
+ Underscore.js 1.4.3 underscorejs.org/LICENSE
 */
 ;(function(e,t){function s(e){if(e&&"object"==typeof e&&e.__wrapped__)return e;if(!(this instanceof s))return new s(e);this.__wrapped__=e}function o(t,n){return e.eval("(function("+t+"){"+n+"})")}function u(e,t,n){t||(t=0);var r=e.length,i=r-t>=(n||it);if(i)for(var s={},n=t-1;++n<r;){var o=e[n]+"";(Tt.call(s,o)?s[o]:s[o]=[]).push(e[n])}return function(n){if(i){var r=n+"";return Tt.call(s,r)&&-1<W(s[r],n)}return-1<W(e,n,t)}}function a(e){return e.charCodeAt(0)}function f(e,t){var n=e.b,r=t.b,e=e.a,
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+{n=t(e,n,i),n<r&&(r=n,o=e)});else for(;++i<s;)e[i]<o&&(o=e[i]);return o},s.object=function(e,t){for(var n=-1,r=e?e.length:0,i={};++n<r;){var s=e[n];t?i[s]=t[n]:i[s[0]]=s[1]}return i},s.omit=function(e,t,n){var r="function"==typeof t,i={};if(r)t=c(t,n);else var s=Et.apply(et,arguments);return hn(e,function(e,n,o){if(r?!t(e,n,o):0>W(s,n,1))i[n]=e}),i},s.pairs=function(e){var t=[];return pn(e,function(e,n){t.push([n,e])}),t},s.pick=function(e,t,n){var r={};if("function"!=typeof t)for(var i=0,s=Et.apply
+(et,arguments),o=s.length;++i<o;){var u=s[i];u in e&&(r[u]=e[u])}else t=c(t,n),hn(e,function(e,n,i){t(e,n,i)&&(r[n]=e)});return r},s.pluck=F,s.range=function(e,t,n){e=+e||0,n=+n||1,t==r&&(t=e,e=0);for(var i=-1,t=Dt(0,wt((t-e)/n)),s=Array(t);++i<t;)s[i]=e,e+=n;return s},s.reject=function(e,t,n){return t=c(t,n),P(e,function(e,n,r){return!t(e,n,r)})},s.rest=X,s.shuffle=function(e){var t=-1,n=Array(e?e.length:0);return wn(e,function(e){var r=St(Ht()*(++t+1));n[t]=n[r],n[r]=e}),n},s.sortBy=function(e,
+t,n){var r=[],t=c(t,n);wn(e,function(e,n,i){r.push({a:t(e,n,i),b:n,c:e})}),e=r.length;for(r.sort(f);e--;)r[e]=r[e].c;return r},s.tap=function(e,t){return t(e),e},s.times=function(e,t,n){for(var e=+e||0,r=-1,i=Array(e);++r<e;)i[r]=t.call(n,r);return i},s.toArray=function(e){return"number"==typeof (e?e.length:0)?en&&A(e)?e.split(""):g(e):M(e)},s.union=function(){return $(Et.apply(et,arguments))},s.uniq=$,s.values=M,s.where=function(e,t){var n=bn(t);return P(e,function(e){for(var r=n.length;r--;){var i=
+e[n[r]]===t[n[r]];if(!i)break}return!!i})},s.without=function(e){for(var t=-1,n=e?e.length:0,r=u(arguments,1,20),i=[];++t<n;){var s=e[t];r(s)||i.push(s)}return i},s.zip=function(e){for(var t=-1,n=e?j(F(arguments,"length")):0,r=Array(n);++t<n;)r[t]=F(arguments,t);return r},s.collect=B,s.drop=X,s.each=wn,s.extend=cn,s.methods=x,s.select=P,s.tail=X,s.unique=$,Q(s),s.after=function(e,t){return 1>e?t():function(){if(1>--e)return t.apply(this,arguments)}},s.bind=J,s.bindKey=function(e,t){return l(e,t,g
+(arguments,2))},s.clone=S,s.compose=function(){var e=arguments;return function(){for(var t=arguments,n=e.length;n--;)t=[e[n].apply(this,t)];return t[0]}},s.contains=_,s.debounce=function(e,t,n){function i(){a=r,n||(o=e.apply(u,s))}var s,o,u,a;return function(){var r=n&&!a;return s=arguments,u=this,clearTimeout(a),a=setTimeout(i,t),r&&(o=e.apply(u,s)),o}},s.defer=function(e){var n=g(arguments,1);return setTimeout(function(){e.apply(t,n)},1)},s.delay=function(e,n){var r=g(arguments,2);return setTimeout
+(function(){e.apply(t,r)},n)},s.escape=function(e){return e==r?"":(e+"").replace(gt,d)},s.every=D,s.find=H,s.has=function(e,t){return e?Tt.call(e,t):i},s.identity=K,s.indexOf=W,s.isArguments=b,s.isArray=gn,s.isBoolean=function(e){return e===n||e===i||kt.call(e)==Ft},s.isDate=function(e){return kt.call(e)==It},s.isElement=function(e){return e?1===e.nodeType:i},s.isEmpty=function(e){var t=n;if(!e)return t;var r=kt.call(e),s=e.length;return r==jt||r==zt||r==Bt||Zt&&b(e)||r==Rt&&"number"==typeof s&&C
+(e.splice)?!s:(pn(e,function(){return t=i}),t)},s.isEqual=N,s.isFinite=function(e){return Ot(e)&&!Mt(parseFloat(e))},s.isFunction=C,s.isNaN=function(e){return L(e)&&e!=+e},s.isNull=function(e){return e===r},s.isNumber=L,s.isObject=k,s.isPlainObject=yn,s.isRegExp=function(e){return kt.call(e)==Ut},s.isString=A,s.isUndefined=function(e){return"undefined"==typeof e},s.lastIndexOf=function(e,t,n){var r=e?e.length:0;for("number"==typeof n&&(r=(0>n?Dt(0,r+n):Pt(n,r-1))+1);r--;)if(e[r]===t)return r;return-1
+},s.memoize=function(e,t){var n={};return function(){var r=t?t.apply(this,arguments):arguments[0];return Tt.call(n,r)?n[r]:n[r]=e.apply(this,arguments)}},s.mixin=Q,s.noConflict=function(){return e._=st,this},s.once=function(e){var t,s=i;return function(){return s?t:(s=n,t=e.apply(this,arguments),e=r,t)}},s.partial=function(e){return l(e,g(arguments,1))},s.random=function(e,t){return e==r&&t==r&&(t=1),e=+e||0,t==r&&(t=e,e=0),e+St(Ht()*((+t||0)-e+1))},s.reduce=I,s.reduceRight=q,s.result=function(e,
+t){var n=e?e[t]:r;return C(n)?e[t]():n},s.size=function(e){var t=e?e.length:0;return"number"==typeof t?t:bn(e).length},s.some=R,s.sortedIndex=V,s.template=function(e,t,n){e||(e=""),n||(n={});var r,i,u=s.templateSettings,a=0,f=n.interpolate||u.interpolate||mt,l="__p+='",c=n.variable||u.variable,h=c;e.replace(RegExp((n.escape||u.escape||mt).source+"|"+f.source+"|"+(f===vt?dt:mt).source+"|"+(n.evaluate||u.evaluate||mt).source+"|$","g"),function(t,n,i,s,o,u){return i||(i=s),l+=e.slice(a,u).replace(yt
+,p),n&&(l+="'+__e("+n+")+'"),o&&(l+="';"+o+";__p+='"),i&&(l+="'+((__t=("+i+"))==null?'':__t)+'"),r||(r=o||ot.test(n||i)),a=u+t.length,t}),l+="';\n",h||(c="obj",r?l="with("+c+"){"+l+"}":(n=RegExp("(\\(\\s*)"+c+"\\."+c+"\\b","g"),l=l.replace(ht,"$&"+c+".").replace(n,"$1__d"))),l=(r?l.replace(at,""):l).replace(ft,"$1").replace(lt,"$1;"),l="function("+c+"){"+(h?"":c+"||("+c+"={});")+"var __t,__p='',__e=_.escape"+(r?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":(h?"":",__d="+
+c+"."+c+"||"+c)+";")+l+"return __p}";try{i=o("_","return "+l)(s)}catch(d){throw d.source=l,d}return t?i(t):(i.source=l,i)},s.throttle=function(e,t){function n(){a=new Date,u=r,s=e.apply(o,i)}var i,s,o,u,a=0;return function(){var f=new Date,l=t-(f-a);return i=arguments,o=this,0>=l?(clearTimeout(u),u=r,a=f,s=e.apply(o,i)):u||(u=setTimeout(n,l)),s}},s.unescape=function(e){return e==r?"":(e+"").replace(ut,y)},s.uniqueId=function(e){return(e==r?"":e+"")+ ++nt},s.wrap=function(e,t){return function(){var n=
+[e];return Nt.apply(n,arguments),t.apply(this,n)}},s.all=D,s.any=R,s.detect=H,s.foldl=I,s.foldr=q,s.include=_,s.inject=I,pn(s,function(e,t){s.prototype[t]||(s.prototype[t]=function(){var t=[this.__wrapped__];return Nt.apply(t,arguments),e.apply(s,t)})}),s.first=U,s.last=function(e,t,n){if(e){var i=e.length;return t==r||n?e[i-1]:g(e,Dt(0,i-t))}},s.take=U,s.head=U,pn(s,function(e,t){s.prototype[t]||(s.prototype[t]=function(t,n){var i=e(this.__wrapped__,t,n);return t==r||n?i:new s(i)})}),s.VERSION="1.0.0-rc.2"
+,s.prototype.chain=function(){return this},s.prototype.toString=function(){return""+this.__wrapped__},s.prototype.value=G,s.prototype.valueOf=G,wn("pop push reverse shift sort splice unshift".split(" "),function(e){var t=et[e];s.prototype[e]=function(){var e=this.__wrapped__;return t.apply(e,arguments),Gt&&e.length===0&&delete e[0],this}}),wn(["concat","join","slice"],function(e){var t=et[e];s.prototype[e]=function(){var e=t.apply(this.__wrapped__,arguments);return new s(e)}}),typeof define=="function"&&typeof 
+define.amd=="object"&&define.amd?(e._=s,define(function(){return s})):Y?"object"==typeof module&&module&&module.exports==Y?(module.exports=s)._=s:Y._=s:e._=s})(this);
\ No newline at end of file
diff --git a/lodash.underscore.js b/lodash.underscore.js
index 64759cb5f8..7760563d10 100644
--- a/lodash.underscore.js
+++ b/lodash.underscore.js
@@ -1,8 +1,8 @@
 /*!
- * Lo-Dash 1.0.0-rc.1 (Custom Build) <http://lodash.com>
+ * Lo-Dash 1.0.0-rc.2 (Custom Build) <http://lodash.com>
  * Build: `lodash underscore -d -o ./lodash.underscore.js`
  * (c) 2012 John-David Dalton <http://allyoucanleet.com/>
- * Based on Underscore.js 1.4.2 <http://underscorejs.org>
+ * Based on Underscore.js 1.4.3 <http://underscorejs.org>
  * (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
  * Available under MIT license <http://lodash.com/license>
  */
@@ -133,7 +133,6 @@
   var hasObjectSpliceBug = (hasObjectSpliceBug = { '0': 1, 'length': 1 },
     arrayRef.splice.call(hasObjectSpliceBug, 0, 1), hasObjectSpliceBug[0]);
 
-
   /**
    * Detect lack of support for accessing string characters by index:
    *
@@ -615,7 +614,6 @@
       for (index in iteratee) {
         if (callback(iteratee[index], index, collection) === indicatorObject) return result;    
       }    
-    ;
     return result
   };
 
@@ -649,7 +647,6 @@
         if (callback(iteratee[index], index, collection) === indicatorObject) return result;    
         }
       }    
-    ;
     return result
   };
 
@@ -765,6 +762,7 @@
       ? (isArray(value) ? slice(value) : assign({}, value))
       : value
   }
+
   /**
    * Assigns own enumerable properties of source object(s) to the `destination`
    * object for all `destination` properties that resolve to `null`/`undefined`.
@@ -799,6 +797,7 @@
     }
     return object;
   }
+
   /**
    * Creates a sorted array of all enumerable properties, own and inherited,
    * of `object` that have function values.
@@ -970,6 +969,7 @@
     }
     return true;
   }
+
   /**
    * Performs a deep comparison between two values to determine if they are
    * equivalent to each other.
@@ -1140,8 +1140,9 @@
    * // => false
    */
   function isFinite(value) {
-    return nativeIsFinite(value) && toString.call(value) == numberClass;
+    return nativeIsFinite(value) && !nativeIsNaN(parseFloat(value));
   }
+
   /**
    * Checks if `value` is a function.
    *
@@ -1365,6 +1366,7 @@
     });
     return result;
   }
+
   /**
    * Creates a two dimensional array of the given object's key-value pairs,
    * i.e. `[[key1, value1], [key2, value2]]`.
@@ -1426,6 +1428,7 @@
     }
     return result;
   }
+
   /**
    * Creates an array composed of the own enumerable property values of `object`.
    *
@@ -1488,6 +1491,7 @@
     }
     return result;
   }
+
   /**
    * Creates an object composed of keys returned from running each element of
    * `collection` through a `callback`. The corresponding value of each key is
@@ -1677,7 +1681,6 @@
         }
       }    
     }
-    ;
     
   };
 
@@ -2252,6 +2255,7 @@
     }
     return result
   }
+
   /**
    * Gets the first element of the `array`. Pass `n` to return the first `n`
    * elements of the `array`.
@@ -2417,6 +2421,7 @@
     });
     return result;
   }
+
   /**
    * Gets the last element of the `array`. Pass `n` to return the last `n`
    * elements of the `array`.
@@ -2691,6 +2696,11 @@
         result = [],
         seen = result;
 
+    if (typeof isSorted == 'function') {
+      thisArg = callback;
+      callback = isSorted;
+      isSorted = false;
+    }
     if (callback) {
       seen = [];
       callback = createCallback(callback, thisArg);
@@ -2711,6 +2721,7 @@
     }
     return result;
   }
+
   /**
    * Creates an array with all occurrences of the passed values removed using
    * strict equality for comparisons, i.e. `===`.
@@ -2739,6 +2750,7 @@
     }
     return result
   }
+
   /**
    * Groups the elements of each array at their corresponding indexes. Useful for
    * separate data sources that are coordinated through matching array indexes.
@@ -3411,6 +3423,7 @@
     result.source = source;
     return result;
   }
+
   /**
    * Executes the `callback` function `n` times, returning an array of the results
    * of each `callback` execution. The `callback` is bound to `thisArg` and invoked
@@ -3481,9 +3494,10 @@
    * // => '105'
    */
   function uniqueId(prefix) {
-    var id = idCounter++;
+    var id = ++idCounter + '';
     return prefix ? prefix + id : id;
   }
+
   /*--------------------------------------------------------------------------*/
 
   /**
@@ -3513,6 +3527,7 @@
     value.__chain__ = true;
     return value;
   }
+
   /**
    * Invokes `interceptor` with the `value` as the first argument, and then
    * returns `value`. The purpose of this method is to "tap into" a method chain,
@@ -3561,6 +3576,7 @@
     this.__chain__ = true;
     return this;
   }
+
   /**
    * Produces the `toString` result of the wrapped value.
    *
@@ -3596,44 +3612,72 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /**
-   * The semantic version number.
-   *
-   * @static
-   * @memberOf _
-   * @type String
-   */
-  lodash.VERSION = '1.0.0-rc.1';
-  lodash.after = after;
-  lodash.bind = bind;
   lodash.bindAll = bindAll;
   lodash.chain = chain;
-  lodash.clone = clone;
   lodash.compact = compact;
-  lodash.compose = compose;
-  lodash.contains = contains;
   lodash.countBy = countBy;
-  lodash.debounce = debounce;
   lodash.defaults = defaults;
-  lodash.defer = defer;
-  lodash.delay = delay;
   lodash.difference = difference;
-  lodash.escape = escape;
-  lodash.every = every;
   lodash.filter = filter;
-  lodash.find = find;
-  lodash.first = first;
   lodash.flatten = flatten;
   lodash.forEach = forEach;
   lodash.functions = functions;
   lodash.groupBy = groupBy;
-  lodash.has = has;
-  lodash.identity = identity;
-  lodash.indexOf = indexOf;
   lodash.initial = initial;
   lodash.intersection = intersection;
   lodash.invert = invert;
   lodash.invoke = invoke;
+  lodash.keys = keys;
+  lodash.map = map;
+  lodash.max = max;
+  lodash.min = min;
+  lodash.object = object;
+  lodash.omit = omit;
+  lodash.pairs = pairs;
+  lodash.pick = pick;
+  lodash.pluck = pluck;
+  lodash.range = range;
+  lodash.reject = reject;
+  lodash.rest = rest;
+  lodash.shuffle = shuffle;
+  lodash.sortBy = sortBy;
+  lodash.tap = tap;
+  lodash.times = times;
+  lodash.toArray = toArray;
+  lodash.union = union;
+  lodash.uniq = uniq;
+  lodash.values = values;
+  lodash.where = where;
+  lodash.without = without;
+  lodash.zip = zip;
+
+  // add aliases
+  lodash.collect = map;
+  lodash.drop = rest;
+  lodash.each = forEach;
+  lodash.extend = assign;
+  lodash.methods = functions;
+  lodash.select = filter;
+  lodash.tail = rest;
+  lodash.unique = uniq;
+
+  /*--------------------------------------------------------------------------*/
+
+  // add functions that return unwrapped values when chaining
+  lodash.after = after;
+  lodash.bind = bind;
+  lodash.clone = clone;
+  lodash.compose = compose;
+  lodash.contains = contains;
+  lodash.debounce = debounce;
+  lodash.defer = defer;
+  lodash.delay = delay;
+  lodash.escape = escape;
+  lodash.every = every;
+  lodash.find = find;
+  lodash.has = has;
+  lodash.identity = identity;
+  lodash.indexOf = indexOf;
   lodash.isArray = isArray;
   lodash.isBoolean = isBoolean;
   lodash.isDate = isDate;
@@ -3649,87 +3693,70 @@
   lodash.isRegExp = isRegExp;
   lodash.isString = isString;
   lodash.isUndefined = isUndefined;
-  lodash.keys = keys;
-  lodash.last = last;
   lodash.lastIndexOf = lastIndexOf;
-  lodash.map = map;
-  lodash.max = max;
   lodash.memoize = memoize;
-  lodash.min = min;
   lodash.mixin = mixin;
   lodash.noConflict = noConflict;
-  lodash.object = object;
-  lodash.omit = omit;
   lodash.once = once;
-  lodash.pairs = pairs;
-  lodash.pick = pick;
-  lodash.pluck = pluck;
   lodash.random = random;
-  lodash.range = range;
   lodash.reduce = reduce;
   lodash.reduceRight = reduceRight;
-  lodash.reject = reject;
-  lodash.rest = rest;
   lodash.result = result;
-  lodash.shuffle = shuffle;
   lodash.size = size;
   lodash.some = some;
-  lodash.sortBy = sortBy;
   lodash.sortedIndex = sortedIndex;
-  lodash.tap = tap;
   lodash.template = template;
   lodash.throttle = throttle;
-  lodash.times = times;
-  lodash.toArray = toArray;
   lodash.unescape = unescape;
-  lodash.union = union;
-  lodash.uniq = uniq;
   lodash.uniqueId = uniqueId;
-  lodash.values = values;
-  lodash.where = where;
-  lodash.without = without;
   lodash.wrap = wrap;
-  lodash.zip = zip;
 
-  // assign aliases
+  // add aliases
   lodash.all = every;
   lodash.any = some;
-  lodash.collect = map;
   lodash.detect = find;
-  lodash.drop = rest;
-  lodash.each = forEach;
-  lodash.extend = assign;
   lodash.foldl = reduce;
   lodash.foldr = reduceRight;
-  lodash.head = first;
   lodash.include = contains;
   lodash.inject = reduce;
-  lodash.methods = functions;
-  lodash.select = filter;
-  lodash.tail = rest;
+
+  /*--------------------------------------------------------------------------*/
+
+  // add functions capable of returning wrapped and unwrapped values when chaining
+  lodash.first = first;
+  lodash.last = last;
+
+  // add aliases
   lodash.take = first;
-  lodash.unique = uniq;
+  lodash.head = first;
 
   /*--------------------------------------------------------------------------*/
 
-  // add all static functions to `lodash.prototype`
+  /**
+   * The semantic version number.
+   *
+   * @static
+   * @memberOf _
+   * @type String
+   */
+  lodash.VERSION = '1.0.0-rc.2';
+
+  // add functions to `lodash.prototype`
   mixin(lodash);
 
-  // add `lodash.prototype.chain` after calling `mixin()` to avoid overwriting
-  // it with the wrapped `lodash.chain`
+  // add "Chaining" functions to the wrapper
   lodash.prototype.chain = wrapperChain;
   lodash.prototype.value = wrapperValueOf;
 
-  // add all mutator Array functions to the wrapper.
+  // add mutator `Array` functions to the wrapper
   forEach(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
     var func = arrayRef[methodName];
-
     lodash.prototype[methodName] = function() {
       var value = this.__wrapped__;
       func.apply(value, arguments);
 
-      // avoid array-like object bugs with `Array#shift` and `Array#splice` in
-      // Firefox < 10 and IE < 9
+      // avoid array-like object bugs with `Array#shift` and `Array#splice`
+      // in Firefox < 10 and IE < 9
       if (hasObjectSpliceBug && value.length === 0) {
         delete value[0];
       }
@@ -3737,10 +3764,9 @@
     };
   });
 
-  // add all accessor Array functions to the wrapper.
+  // add accessor `Array` functions to the wrapper
   forEach(['concat', 'join', 'slice'], function(methodName) {
     var func = arrayRef[methodName];
-
     lodash.prototype[methodName] = function() {
       var value = this.__wrapped__,
           result = func.apply(value, arguments);
diff --git a/lodash.underscore.min.js b/lodash.underscore.min.js
index b0bf235ebb..afeffa6a05 100644
--- a/lodash.underscore.min.js
+++ b/lodash.underscore.min.js
@@ -1,33 +1,33 @@
 /*!
- Lo-Dash 1.0.0-rc.1 (Custom Build) lodash.com/license
+ Lo-Dash 1.0.0-rc.2 (Custom Build) lodash.com/license
  Build: `lodash underscore -m -o ./lodash.underscore.min.js`
- Underscore.js 1.4.2 underscorejs.org/LICENSE
+ Underscore.js 1.4.3 underscorejs.org/LICENSE
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+O,n.result=function(e,t){var n=e?e[t]:null;return g(n)?e[t]():n},n.size=function(e){var t=e?e.length:0;return"number"==typeof t?t:Lt(e).length},n.some=M,n.sortedIndex=B,n.template=function(e,t,r){e||(e="");var r=p({},r,n.templateSettings),i=0,s="__p+='",u=r.variable;e.replace(RegExp((r.escape||K).source+"|"+(r.interpolate||K).source+"|"+(r.evaluate||K).source+"|$","g"),function(t,n,r,u,a){s+=e.slice(i,a).replace(G,o),s+=n?"'+_['escape']("+n+")+'":u?"';"+u+";__p+='":r?"'+((__t=("+r+"))==null?'':__t)+'"
+:"",i=a+t.length}),s+="';\n",u||(u="obj",s="with("+u+"||{}){"+s+"}"),s="function("+u+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+s+"return __p}";try{var a=Function("_","return "+s)(n)}catch(f){throw f.source=s,f}return t?a(t):(a.source=s,a)},n.throttle=function(e,t){function n(){u=new Date,o=null,i=e.apply(s,r)}var r,i,s,o,u=0;return function(){var a=new Date,f=t-(a-u);return r=arguments,s=this,0>=f?(clearTimeout(o),o=null,u=a,i=e.apply(s,r)):o||(o=setTimeout
+(n,f)),i}},n.unescape=function(e){return null==e?"":(e+"").replace($,l)},n.uniqueId=function(e){var t=++W+"";return e?e+t:t},n.wrap=function(e,t){return function(){var n=[e];return nt.apply(n,arguments),t.apply(this,n)}},n.all=x,n.any=M,n.detect=N,n.foldl=A,n.foldr=O,n.include=S,n.inject=A,n.first=_,n.last=function(e,t,n){if(e){var r=e.length;return null==t||n?e[r-1]:f(e,ft(0,r-t))}},n.take=_,n.head=_,n.VERSION="1.0.0-rc.2",q(n),n.prototype.chain=function(){return this.__chain__=!0,this},n.prototype
+.value=function(){return this.__wrapped__},At("pop push reverse shift sort splice unshift".split(" "),function(e){var t=z[e];n.prototype[e]=function(){var e=this.__wrapped__;return t.apply(e,arguments),wt&&e.length===0&&delete e[0],this}}),At(["concat","join","slice"],function(e){var t=z[e];n.prototype[e]=function(){var e=t.apply(this.__wrapped__,arguments);return this.__chain__&&(e=new n(e),e.__chain__=!0),e}}),R?"object"==typeof module&&module&&module.exports==R?(module.exports=n)._=n:R._=n:e._=
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\ No newline at end of file
diff --git a/package.json b/package.json
index df06c63c0f..b2a0a20832 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash",
-  "version": "1.0.0-rc.1",
+  "version": "1.0.0-rc.2",
   "description": "A utility library, usable as a drop-in replacement for Underscore, delivering performance, bug fixes, and additional features.",
   "homepage": "http://lodash.com",
   "main": "./lodash",
diff --git a/test/test-build.js b/test/test-build.js
index 01e2536a2d..18a475a38a 100644
--- a/test/test-build.js
+++ b/test/test-build.js
@@ -679,7 +679,6 @@
 
         object = { 'length': 0, 'splice': Array.prototype.splice };
         equal(lodash.isEmpty(object), false, '_.isEmpty should return `false` for jQuery/MooTools DOM query collections: ' + basename);
-        equal(lodash.isFinite('2'), false, '_.isFinite should return `false` for numeric string values: ' + basename);
 
         object = { 'a': 1, 'b': 2, 'c': 3 };
         equal(lodash.isEqual(object, { 'a': 1, 'b': 0, 'c': 3 }), false, '_.isEqual: ' + basename);
@@ -697,10 +696,7 @@
 
         equal(lodash.some([false, true, false]), true, '_.some: ' + basename);
         equal(lodash.template('${a}', object), '${a}', '_.template should ignore ES6 delimiters: ' + basename);
-
-        actual = [lodash.uniqueId(3), lodash.uniqueId(2), lodash.uniqueId(1)];
-        equal(actual.join(','), '3,3,3', '_.uniqueId should not coerce the prefix argument to a string: ' + basename);
-        equal(typeof lodash.uniqueId(), 'number', '_.uniqueId should return a number value when not passing a prefix argument: ' + basename);
+        equal(lodash.uniqueId(0), '1', '_.uniqueId should ignore a prefix of `0`: ' + basename);
 
         var wrapped = lodash(1);
         equal(wrapped.clone() instanceof lodash, false, '_(...) wrapped values are not chainable by default: ' + basename);
diff --git a/test/underscore.html b/test/underscore.html
index 9d77550a04..9f2d1974a9 100644
--- a/test/underscore.html
+++ b/test/underscore.html
@@ -19,7 +19,6 @@
 			</div>
 			<img id="chart_image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==">
 		</div>
-		<script src="../vendor/json3/lib/json3.js"></script>
 		<script src="../vendor/jquery/jquery.js"></script>
 		<script src="../vendor/platform.js/platform.js"></script>
 		<script>
diff --git a/vendor/underscore/underscore-min.js b/vendor/underscore/underscore-min.js
index b426331a42..eb4df1b941 100644
--- a/vendor/underscore/underscore-min.js
+++ b/vendor/underscore/underscore-min.js
@@ -1,5 +1,5 @@
-//     Underscore.js 1.4.2
+//     Underscore.js 1.4.3
 //     http://underscorejs.org
 //     (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
 //     Underscore may be freely distributed under the MIT license.
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diff --git a/vendor/underscore/underscore.js b/vendor/underscore/underscore.js
index dafdd19b84..4d83099fd9 100644
--- a/vendor/underscore/underscore.js
+++ b/vendor/underscore/underscore.js
@@ -1,4 +1,4 @@
-//     Underscore.js 1.4.2
+//     Underscore.js 1.4.3
 //     http://underscorejs.org
 //     (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
 //     Underscore may be freely distributed under the MIT license.
@@ -24,7 +24,6 @@
   var push             = ArrayProto.push,
       slice            = ArrayProto.slice,
       concat           = ArrayProto.concat,
-      unshift          = ArrayProto.unshift,
       toString         = ObjProto.toString,
       hasOwnProperty   = ObjProto.hasOwnProperty;
 
@@ -65,7 +64,7 @@
   }
 
   // Current version.
-  _.VERSION = '1.4.2';
+  _.VERSION = '1.4.3';
 
   // Collection Functions
   // --------------------
@@ -102,6 +101,8 @@
     return results;
   };
 
+  var reduceError = 'Reduce of empty array with no initial value';
+
   // **Reduce** builds up a single result from a list of values, aka `inject`,
   // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
   _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
@@ -119,7 +120,7 @@
         memo = iterator.call(context, memo, value, index, list);
       }
     });
-    if (!initial) throw new TypeError('Reduce of empty array with no initial value');
+    if (!initial) throw new TypeError(reduceError);
     return memo;
   };
 
@@ -146,7 +147,7 @@
         memo = iterator.call(context, memo, obj[index], index, list);
       }
     });
-    if (!initial) throw new TypeError('Reduce of empty array with no initial value');
+    if (!initial) throw new TypeError(reduceError);
     return memo;
   };
 
@@ -239,7 +240,7 @@
     if (_.isEmpty(attrs)) return [];
     return _.filter(obj, function(value) {
       for (var key in attrs) {
-        if (_.has(attrs, key) && attrs[key] !== value[key]) return false;
+        if (attrs[key] !== value[key]) return false;
       }
       return true;
     });
@@ -336,7 +337,7 @@
   // either a string attribute to count by, or a function that returns the
   // criterion.
   _.countBy = function(obj, value, context) {
-    return group(obj, value, context, function(result, key, value) {
+    return group(obj, value, context, function(result, key) {
       if (!_.has(result, key)) result[key] = 0;
       result[key]++;
     });
@@ -961,7 +962,7 @@
 
   // Is a given object a finite number?
   _.isFinite = function(obj) {
-    return isFinite( obj ) && !isNaN( parseFloat(obj) );
+    return isFinite(obj) && !isNaN(parseFloat(obj));
   };
 
   // Is the given value `NaN`? (NaN is the only number which does not equal itself).