Further refine parseExprList indentation heuristic
Further refine parseExprList indentation heuristic

Closes marijnh/tern#221

gratex/acorn,existentialism/babel,jridgewell/babel,mysticatea/acorn,xiemaisi/acorn,RReverser/biscript,TimothyGu/acorn,claudiopro/babel,hzoo/babel,marijnh/acorn,babel/babel,tonylukasavage/acorn,kaicataldo/babel,happibum/acorn,babel/babel,chicoxyzzy/babel,chicoxyzzy/babel,kellyselden/babel,Rich-Harris/acorn,maurobringolf/babel,Skillupco/babel,ajaxorg/acorn,danez/babylon,MarcelGerber/acorn,marcominetti/acorn-babel,CSNW/acorn,guybedford/babel,maurobringolf/babel,xiemaisi/acorn,jridgewell/babel,marijnh/acorn,ternjs/acorn,Rich-Harris/acorn,btmills/acorn,chicoxyzzy/babel,btmills/acorn,guybedford/babel,marcominetti/acorn-babel,hulkish/babel,vadzim/babel,babel/babylon,kellyselden/babel,happibum/acorn,gratex/acorn,existentialism/babel,claudiopro/babel,sebmck/acorn-jsx,lightscript/babylon-lightscript,Skillupco/babel,ajaxorg/acorn,differentmatt/filbert,PolymerLabs/babel,PolymerLabs/babel,btmills/acorn,hzoo/babel,ajaxorg/acorn,differentmatt/filbert,maurobringolf/babel,kittens/acorn-jsx,samwgoldman/babel,shuhei/babel,Skillupco/babel,TimothyGu/acorn,cbishopvelti/babylon,claudiopro/babel,kidaa/filbert,thr0w/acorn-jsx,samwgoldman/babel,jridgewell/babel,hzoo/babel,ternjs/acorn,kaicataldo/babel,jridgewell/babel,luiseduardohdbackup/filbert,Skillupco/babel,PolymerLabs/babel,shuhei/babel,hulkish/babel,guybedford/babel,hulkish/babel,mathiasbynens/acorn,kellyselden/babel,babel/babel,mathiasbynens/acorn,mysticatea/acorn,happibum/acorn,blai/acorn-jsx,xiemaisi/acorn,luiseduardohdbackup/filbert,babel/babel,kittens/acorn-jsx,kellyselden/babel,RReverser/acorn-jsx,samhou1988/acorn,hzoo/babel,kaicataldo/babel,chicoxyzzy/babel,mysticatea/acorn,ternjs/acorn,shuhei/babel,kaicataldo/babel,samwgoldman/babel,mathiasbynens/acorn,kidaa/filbert,marijnh/acorn,sebmck/acorn-jsx,existentialism/babel,gratex/acorn,samhou1988/acorn,Rich-Harris/acorn,MarcelGerber/acorn,MarcelGerber/acorn,wcjohnson/babylon-lightscript,marcominetti/acorn-babel,hulkish/babel,TimothyGu/acorn,vadzim/babel,recipesjs/ingredients