[hack] v0.2.3 - Refactor method chaining, and add handling for more minor ast nodes
[hack] v0.2.3 - Refactor method chaining, and add handling for more minor ast nodes

Summary: Here's the real version of method chaining

Differential Revision: D4116025

fbshipit-source-id: 1f953800d9df1b8a4445872e596fe95d75da2fc0

JonathanUsername/flow,MichaelDeBoey/flow,TiddoLangerak/flow,AgentME/flow,ForbesLindesay/flow,gabelevi/flow,TiddoLangerak/flow,mroch/flow,fletcherw/flow,JonathanUsername/flow,nmote/flow,gabelevi/flow,gabelevi/flow,TiddoLangerak/flow,jamesgpearce/flow,AgentME/flow,gabro/flow,ylu1317/flow,jamesgpearce/flow,jamesgpearce/flow,fletcherw/flow,JonathanUsername/flow,samwgoldman/flow,ylu1317/flow,popham/flow,mroch/flow,fletcherw/flow,claudiopro/flow,facebook/flow,ForbesLindesay/flow,TiddoLangerak/flow,TiddoLangerak/flow,popham/flow,ylu1317/flow,popham/flow,facebook/flow,gabro/flow,samwgoldman/flow,claudiopro/flow,samwgoldman/flow,nmote/flow,mroch/flow,popham/flow,fletcherw/flow,mroch/flow,facebook/flow,jamesgpearce/flow,gabelevi/flow,claudiopro/flow,JonathanUsername/flow,jamesgpearce/flow,ForbesLindesay/flow,ForbesLindesay/flow,gabro/flow,ForbesLindesay/flow,JonathanUsername/flow,jamesgpearce/flow,mroch/flow,nmote/flow,gabelevi/flow,ForbesLindesay/flow,nmote/flow,facebook/flow,samwgoldman/flow,mroch/flow,gabro/flow,ylu1317/flow,popham/flow,ylu1317/flow,samwgoldman/flow,samwgoldman/flow,MichaelDeBoey/flow,jamesgpearce/flow,gabro/flow,nmote/flow,MichaelDeBoey/flow,nmote/flow,fletcherw/flow,mroch/flow,facebook/flow,nmote/flow,gabelevi/flow,MichaelDeBoey/flow,JonathanUsername/flow,fletcherw/flow,gabelevi/flow,popham/flow,AgentME/flow,samwgoldman/flow,claudiopro/flow,AgentME/flow,MichaelDeBoey/flow,claudiopro/flow,facebook/flow,popham/flow,gabro/flow,facebook/flow,JonathanUsername/flow,AgentME/flow