updated symfony 2.4.4 and monolog 1.9.1
Update README.md
WK-755 check if given sku is correct
updated asgoodasnu/guzzlecommandclient v0.1 and phpunit/phpunit 4.1.0
Update SchutzklickConnection.php
uses now asgoodasnu/guzzlecommandclient v0.2 + added some tests
Merge branch 'master' into WK-805

Conflicts:
	Lib/SchutzklickConnection.php