Removed unused imports and stub test case for filtering by subject_id #60
Added a test for filtering assignments by subject_id #60
Added filtering by assignmnets to SubmissionResource
Test that filtering by assignment works
Added some tests for the userstosubjects resource
Removed filter by id which is available by default. #51
Deleted unused import #51
Added file downloading view with authentication
Test if returned submission id is the expected one #51
Merge pull request #73 from aismail/f/#52-file-downloading

F/#52 Added file downloading view with authentication
Repaired assignment resource tests
Repaired userstosubjects tests
#70 Create core folder and base model form class
#70 Created tests directory and a stub for base model form test case
#70 Moved model tests in the tests directory and renamed to test_overview for now
Created subject form and a stub test case #70
Fixed import paths #70
#66 freezed versions in requirements.txt
#66 fixes previous commit by including all pip freeze output
Merge pull request #64 from aismail/f/#51-filter-submissions-by-assignment

F/#51 filter submissions by assignment