Add unit tests for the WebServiceAPI class.
Add some more comments to the WebServiceAPI test.
Remove debug print in WebServiceAPIUnitTest.test_call().
Simplify WebServiceAPIUnitTest.test_create_request_url().
Refactor the WebServiceAPIUnitTest URL lists to be defined in the relevant test.
a bit of refactoring of WebServiceAPIUnitTest.
Revert change to "bad URL" test in WebServiceAPIUnitTest.test_call().
Merge pull request #15 from Freso/test-WebServiceAPI-class

Add unit tests for the WebServiceAPI class.