Bump NPM version to 0.8.3 in preparation for publishing.
Bump NPM version to 0.8.3 in preparation for publishing.

rafaelstz/regenerator,Jericho25/regenerator,facebook/regenerator,facebook/regenerator,sebmck/regenerator,liviuignat/regenerator,RReverser/js-goto-transpiler,facebook/regenerator,juliocanares/regenerator,Jericho25/regenerator,rafaelstz/regenerator,kittens/regenerator,kittens/regenerator,RReverser/js-goto-transpiler,sebmck/regenerator,liviuignat/regenerator,juliocanares/regenerator