stop travis testing 0.4 0.6 .... 0.4 passes but 0.6 has an issue when running tests
stop travis testing 0.4 0.6 .... 0.4 passes but 0.6 has an issue when running tests

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