CCScript 1.500: Added insertbin, again

There was some versioning confusion. This has insertbin, and also a fix to avoid printing out the first character of a unicode sequence in an error message. This prevents CoilSnake errors when an unexpected UTF-8 sequence is used inside a CCS file.

CCScript 1.400: Added insertbin

This release adds the insertbin command, which can insert a portion of a binary file into the ROM as if it was included in the .ccs file as a string.