refactor to remove useless extra function
refactor a loop
rename sub "compile_nat" to "compile_dnat"
update copyright year
improve comments
start the next loop as early as possible
refactor how we handle invalid syntax
only create common rules for the ip versions that are enabled
refactor how we pull calls to/from ANY zones to the top
return true when its good
Merge branch 'develop' of github.com:fukawi2/husk into develop

Conflicts:
	src/husk.pl