Also fixed issue with the -o (output dir) option.

Thanks pewp!

ASCII value of a number happened to match the crc32 of a variable name,
the code wouldn't run correctly. isvar() and newvar() are updated.

CHDIR/CHANGE_DIR.

variable hashes (variable names in "var_xxxxxxxx" syntax).
Use build date for copyright date.

Consider doing the same for all .h files.
Consider the meaning of sanity.

Include directory can be over-ridden with -i command-line option.
Using xpdev/dirwrap functions for much improved filename/directory parsing.

the first 3 characters to an integer value. This allows sequences like \0014
(^A4) to work correctly.

Unix compatibility).
Added support for -p, pause-on-error command-line option.
Increased version to 2.33.

Now deletes .bin file rather than truncating on compilation error - chsize() now working in Win32 version anyway.

operations, socket and FTP functions.