Require recast v0.6.5 (for ast-types v0.4.7).
Require recast v0.6.5 (for ast-types v0.4.7).

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