Add comments and rules for generating keyword definitions.
Move FNV-1a hash stuff into its own library, so we can use it in
genkeywords.
Add some other bits to be ignored...
Changes to support the automagicaly generation of keyword constants.
Added cat macro for building PJL command strings.
Renamed system.c to fs.c
Removed definitions of action routines.
Check that the destination in cat is tested before we free it.
Removed macro cat and replaced with a function.
Major changes as I tidy things up and rethink the command generator.
Removed "static" from .c definition (minor over-sight :-)
Shuffling commands around to their rightful modules.
Corrected update comments to remove single " as it started causing
problems too!
Add ENTER command.
Add support for COMMENT.
Minor typo.
Moved genkeywords into prs.
Move genkeywords into ../prs.
Removed trailing message.
Changed command execution output to look like everything else.