Some cleaning

4 commits:
- Fixed a bunch of phpdoc:
 - wrong or missing phpdoc
 - updated `array of Foo` into `Foo[]`
 - updated `̀integer` into `int` to be consistent with Symfony CS

- Made use case BundleRoutingTest similar to others tests

- Fixed Commands: adressed issue #38 (intval and CS)

- Added lineNumber validity check
 - adressed issue #38 (check that negative numbers cannot be used)
 - added a `totalLineNumber` property
 - check that lineNumber is also an integer and lower than `̀totalLineNumber`