Rules: fixed arguments of lex.lex invocation

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
Rules: fix regex matches empty string problem

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
Rules: fix thinko

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
Rules: silence pointless warning

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
Rules: fix random thinko

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
Rules: fix reserved is not found problem

It lexes like a boss now :)

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>