Use SplQueue to store data to send
Simplifcation of slicing array in send method
Merge branch 'master' into enhancement/1-sqlQueue

Conflicts:
	src/M6Web/Component/Statsd/Client.php
	src/M6Web/Component/Tests/Units/Client.php
Merge pull request #9 from M6Web/enhancement/1-sqlQueue

Enhancement/1 sql queue