In progress test fixes.
merge Alx changes.
fixed tests, added tests for consent and study consent. Need to finish fixing tests for study consent.
merged with upstream.
added remaining api calls to survey api caller, added a survey response api caller. need to write tests for both of these.
nearly finished survey response.
Merge pull request #12 from SartoriusEarth/develop

Finished all api callers except for file upload.