decode os.environ directly instead of using os.path.expandvars
decode os.environ directly instead of using os.path.expandvars

ahh2131/mchisel,ahh2131/mchisel,mcedit/pymclevel,codewarrior0/pymclevel,mcedit/pymclevel,arruda/pymclevel,arruda/pymclevel,codewarrior0/pymclevel