create a new function readBox in anticipation of better box specifiers
create a new function readBox in anticipation of better box specifiers

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