diff --git a/README.md b/README.md
index 17ce1e6..4c6b1bc 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,15 @@
 postgres.async
 ==============
 
+[![Clojars Project](https://img.shields.io/clojars/v/alaisi/postgres.async.svg)](https://clojars.org/alaisi/postgres.async)
+
 Asynchronous PostgreSQL client for Clojure.
 
 ## Download
 
 Add the following to your [Leiningen](http://github.com/technomancy/leiningen) `project.clj`:
 
-![latest postgres.async version](https://clojars.org/alaisi/postgres.async/latest-version.svg)
-
+[![latest postgres.async version](https://clojars.org/alaisi/postgres.async/latest-version.svg)](https://clojars.org/alaisi/postgres.async)
 
 ## Setting up a connection pool
 
@@ -138,7 +139,14 @@ Support for custom types can be added by extending `IPgParameter` protocol and `
     (.getBytes (str store) "UTF-8")))
 
 (defmethod from-pg-value com.github.pgasync.impl.Oid/HSTORE [oid ^bytes value]
-  (my-h-store/parse-string (String. value "UTF-8)))
+  (my-h-store/parse-string (String. value "UTF-8")))
+```
+
+`from-pg-value` can also be used for overriding "core" types. This is especially useful with temporal data types that are by default converted to `java.sql.Date`, `java.sql.Time`, `java.sql.Timestamp`.
+
+```clojure
+(defmethod from-pg-value com.github.pgasync.impl.Oid/DATE [oid ^bytes value]
+  (java.time.LocalDate/parse (String. value "UTF-8")))
 ```
 
 ## Dependencies
diff --git a/project.clj b/project.clj
index 858bf78..f78cba8 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject alaisi/postgres.async "0.7.0"
+(defproject alaisi/postgres.async "0.9.0-SNAPSHOT"
   :description "Asynchronous PostgreSQL Clojure client"
   :url "http://github.com/alaisi/postgres.async"
   :license {:name "Eclipse Public License"
@@ -7,7 +7,7 @@
         :url "http://github.com/alaisi/postgres.async.git"}
   :dependencies [[org.clojure/clojure "1.8.0"]
                  [org.clojure/core.async "0.2.374"]
-                 [com.github.alaisi.pgasync/postgres-async-driver "0.8"]
+                 [com.github.alaisi.pgasync/postgres-async-driver "0.9"]
                  [cheshire "5.6.1" :scope "provided"]]
   :lein-release {:deploy-via :clojars}
   :global-vars {*warn-on-reflection* true}
diff --git a/src/postgres/async.clj b/src/postgres/async.clj
index 9ec8854..caa2c60 100644
--- a/src/postgres/async.clj
+++ b/src/postgres/async.clj
@@ -13,15 +13,15 @@
 
 (defn- create-converter []
   (proxy [DataConverter] []
+    (fromConvertable [value]
+      (to-pg-value value))
     (toObject [oid value]
       (when value
-        (let [val (from-pg-value oid value)]
-          (if (= ::raw-value val)
-            (proxy-call-with-super #(.toObject ^DataConverter this oid value)
-                                   this "toObject")
-            val))))
-    (fromConvertable [value]
-      (to-pg-value value))))
+        (let [val (from-pg-value oid value)
+              this ^DataConverter this]
+          (if-not (= ::raw-value val)
+            val
+            (proxy-super toObject oid value)))))))
 
 (defn open-db
   "Creates a db connection pool"
diff --git a/src/postgres/async/impl.clj b/src/postgres/async/impl.clj
index 435f55e..924b9bc 100644
--- a/src/postgres/async/impl.clj
+++ b/src/postgres/async/impl.clj
@@ -22,12 +22,8 @@
     (vec (map column->value value))
     value))
 
-;; TODO: make columns public in the Java driver
 (defn- get-columns [^PgRow row]
-  (-> (doto (.getDeclaredField PgRow "columns")
-        (.setAccessible true))
-      (.get row)
-      (keys)))
+  (keys (.getColumns row)))
 
 (defn- row->map [^PgRow row ^Object rowmap ^String col]
   (assoc rowmap