removed needsCompression flag, now look at root_tag to see if we need to compress
removed needsCompression flag, now look at root_tag to see if we need to compress

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