Fixing trailing slash bug.

Should detect if user uses a trailing slash in the host
argument and handle it gracefully.
Merge pull request #17 from sag47/newfeature-autodetect-gitlab

Back to classic behavior.
Merge pull request #19 from sag47/bug-trailing-slash

Fixing trailing slash bug.
Merge pull request #18 from sag47/feature-pagination

Adding pagination to Gitlab.getProjects
added more files to gitignore
Adding pagination to Gitlab.getUsers
Pagination for Gitlab.getGroups
Merge branch 'feature-pagination' into bugfix-edition