start to get rid of getstrtoken(), which uses an internal static buffer and causes horrible bugs when called multiple times.
more getstrtoken() removal.
remove obsolete argument to checkpasswd().
rename to gettoken, use more widely, add a basic test.
additional tests for the parser.
move more parsing code out of config.c
move atoip out of config (small helper) and test it.
remove some unnecessary variables from laws.c
Merge pull request #88 from badgerman/parser-static-removal

parser refactoring, tests and cleanup.