* infrastructure for setLocale via klang
* add documentation for setLocale
* add test for setLocale
* fix spec
* add spec and update docs
* fix carriage feeds on windows
* SetLocale() sets LC_ALL on Linux
* in SetLocale() on Linux, use g_setenv()
* fix tyop: '#ifdef OSX_POSIX'
* make the linter happy
* improvements from review
