Bumped to dev version for 0.9.3.
Bumped to dev version for 0.9.3.

Vanzct/rake,jaustinhughey/rake,pjump/rake,esasse/rake,askl56/rake,taiganakagawa/rake,hsbt/rake,hsbt/rake,envato/rake,ipmobiletech/rake,bentley/rake,envato/rake,88rabbit/rake,ruby/rake,utilum/rake,ruby/rake,tmornini/rake,codedogfish/rake,zzak/rake