Add PHPCS as a dev dependency.
Fix trailing whitespaces.
Add space after namespace declaration.
Remove white lines around class body.
Remove white line before end of interfaces.
Add space between if and opening parenthesis.
Fix indentations, spaces after namespaces, and a few if() fixes.
Fixing everything else.
PSR-2 compliant phar folder.
Fixing most PHPCS warnings in examples/ folder (except class related ones, see PR for comment).
Fixing PHPCS warnings for PSR-2 compliance in tests/ folder.
Added last comma to every non-inline arrays.
Fixing a regex that have gone wrong.
[ci skip] tmp commit fixing part of unwanted changes to tests data.
Fixing last part of unwanted changes to tests data.
Merge pull request #204 from gnutix/phpcs-psr2

[Ready] PSR-2 compliant