Move object copying code to initialize_copy method.
Move object copying code to initialize_copy method.

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