#420 [WIP] added test
#420 First version of diffing
#420 Checked each call for every SP and IDP and converted test to class for this
#420 Converted to phpunit test with dataproviders
#420 Rewrote to separate tests
Renamed methods and added missing method
#420 SP/IDP list are now tested also + cleanup
Renamed class
Fixed request old AND new api
Fixed signature
#420 Guzzle is now a dev dependency, also fixed nelmio/alice to prevent issues
#420 Moved api test to separate tests dir
Merge pull request #425 from janus-ssp/feature/420-api-compare

[REVIEW] Feature/420 api compare