Fix case of incorrect parsing of square brackets (#231)
Fix case of incorrect parsing of square brackets (#231)

The Skip atom with an argument of zero means to skip a number of bytes equal to the width of a pointer on the target platform.
The parser for the square brackets incorrectly generated a Skip atom with argument zero if the lower bound was zero.
CasualX/pelite,CasualX/pelite,CasualX/pelite