github #15 Check for doc comment "@param null $..."

- added to already given @param checks in blacklist tests
obsolete code
proper params

- found by new tests. cool!
Extract code quality assurance from blacklist
github #14 Assert that every if has a comment after the brace

- checked for comments
- added method to the the line by content and byte position
github #16 Test if there is a method / section without comments

- parsing every block to have at least one comment if its code lines are less than 3
more documentation for loops, if statements and in not so well documented blocks