Don't construct a key list unnecessarily; it slows things down
Don't construct a key list unnecessarily; it slows things down

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