backward compatible check for key with . in var name
backward compatible check for key with . in var name

modulexcite/dustjs,ellipticaljs/dustjs,cake-disposal-squad/dustjs,mobify/dustjs,catberry/catberry-dust,aredridel/dustjs,jrrbru/dustjs,tachyon1337/dustjs,erg0dic/dustjs,jimmyhchan/dustjsMirrorOld,ellipticaljs/dustjs,cake-disposal-squad/dustjs,tachyon1337/dustjs,shakyShane/crossbow-lang,alihalabyah/dustjs,sethkinast/dustjs,jimmyhchan/dustjs,alihalabyah/dustjs,rphuber/dustjs,modulexcite/dustjs,nchlswtsn/dustjs,linkedin/dustjs