[README] Add description
[Doc][Usage] try to explain services better
Fix typo
Merge pull request #9 from benjaminlazarecki/patch-1

[Command] Fix typo
[Typo] Fix typo
[Typo] Fix typo
[Typo] Fix typo
Merge pull request #10 from benjaminlazarecki/patch-2

[Command] Fix typo
Merge pull request #11 from benjaminlazarecki/patch-3

[Command] Fix typo
Merge pull request #12 from benjaminlazarecki/patch-4

[Command] Fix typo
[Composer] Remove minimum-stability dev & add PHPUnit in require-dev
[Travis] Fix configuration
Refactor according to last DBAL changes
Merge pull request #13 from egeloen/f-refacto

Refactor according to last DBAL changes
[Travis] Use PHPUnit installed by Composer