Docblocks, CS stuff

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | no
| Fixed tickets |no
| License       | MIT
| Doc PR        | did a lot of docs now :-)

As promised to @WouterJ i walked through the whole bundle and trying to fix all phpdoc blocks. Added an @author part on each class/interface and wrote a little documentation to each.