Sebastian Ziebell 7499f65014 API: extracted helper method to validate required parameters, code clean up ... Added a helper method to check if required parameters are given in an API call. Can be used to return a `400 Bad Request` return code if a required attribute is missing. Code clean up and fixed tests.		2013-02-27 17:50:30 +01:00
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api	API: extracted helper method to validate required parameters, code clean up	2013-02-27 17:50:30 +01:00