Cleanup and Function renamed: CCArr::is_multi()

- many spelling corrections
- some documentation esp. in CCArr::is_multi and CCArr::is_collection
- correcting Inpector => Inspector
Fix: CCUrl::to() - adding type checks for $params input
Fix: CCRouter - special chars in dynamic routes

correctly parsing router configuration into regex

Now possible:
example.com/+~$username
Clean: CCIn_Instance->__construct()

removed hack for really wrong Rewrite Rule
requires https://github.com/ClanCats/Framework/pull/3
Fix: adjust tests to renamed CCArr::is_multi()
Clean: CCRouter - escape filters / comments

Moved the escape filters to the property define, merge is not needed.
Added: CCRouter - escaping test
Added: CCUrl - multiD get params test