Removed Gemfile.lock, since it should not be included in Ruby Gems.
Ignoring Gemfile.lock inside gitignore.
Change ActiveRecord, ActiveSupport, and ActionPack runtime dependency versions to a max of version 3.2.16 for all. We cannot use 4.x.x, due to the fact that attr_accessible is no longer defined in version 4.x.x
Version bump to 0.3.6