Wrong project parameter name and double ampersand in pagination parameters

Wrong parameter name in project:
https://github.com/timols/java-gitlab-api/blob/master/src/main/java/org/gitlab/api/models/GitlabProject.java#L128
Double ampersand before 'page=N' in pagination parameters:
https://github.com/timols/java-gitlab-api/blob/master/src/main/java/org/gitlab/api/http/GitlabHTTPRequestor.java#L264