README: browsers support
gitignore: .*-folders (IDE)
Lang: bindMethod()
tests: equalShuffledArrays()
Lang: toArray()
fix go.Lang.isDict() and replace prototype
core: use this from global context instead window
some fix and ref
Lang: local links to native methods
Lang: getObjectKeys()
go.LangExt
Lang: move *byPath(), carry() and tryDo() to LangExt
Carcas: own implementation setByPath
go.Lang.each(): use native Array.map
Carcas: rename baseDir to root
Merge branch 'master' into gh-pages