avoid any issues with _proto_
avoid any issues with _proto_

quick fix, should resolve any issues with third party libraries. case in point: Ember.js

MattKetmo/darkroomjs,shelsonjava/darkroomjs,cartogram/darkroomjs,mstevens/darkroomjs,cartogram/darkroomjs,shelsonjava/darkroomjs,MattKetmo/darkroomjs,Ahimta/darkroomjs,mstevens/darkroomjs,marcelgruber/darkroomjs,orekasep/darkroomjs,shelsonjava/darkroomjs,marcelgruber/darkroomjs,mstevens/darkroomjs,Drooids/darkroomjs,orekasep/darkroomjs,marcelgruber/darkroomjs,orekasep/darkroomjs,Ahimta/darkroomjs,Drooids/darkroomjs,cartogram/darkroomjs,Drooids/darkroomjs,Ahimta/darkroomjs