0.9.7.27:

0.9.7.27:
         Oops. Off-by-one in 0.9.5.68 meant that the shorter MOV instruction
         wasn't getting used quite as often as possible. Use a check for
         (signed-byte 32) instead of (signed-byte 31) to pick between the
         C7 and B8 opcodes. Shrinks the x86-64 core by 70k.