Merge pull request #40 from cbare/master

fix bug in syn.uploadFile
Towards working with evaluations.

Towards working with evaluations 2.

Towards working with evaluations 3.

Towards working with evaluations.

implemented getEvaluationSubmissions as a generator
Adds methods: getUser, removeForEvaluation, etEvaluationSubmissionStatus
Partial refactor of evaluationAPI stuff.
Adds class structure to evaluations.
Adds test for evaluation
Small fixes in evaluation parameters
Merge pull request #41 from larsssono/evaluation_API_implementation

Evaluation api implementation
Small error fixes that were not being tested.
Removal of unused imports
Merge pull request #42 from larsssono/master

Minor cleanup and fixes