[Issue #93][Updated] changed the get_unvoted_keywords to return only list of unvoted approved keywords
[Issue #93][WIP] added tests
[Issue #93] tests modified
[Issue #93]
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C4_nourhanZ_C4F1_ListOfUnVotedWords
[Issue #93] changed UMLs
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C4_nourhanZ_C4F1_ListOfUnVotedWords
Merge pull request #319 from MGhanem/C4_nourhanZ_C4F1_ListOfUnVotedWords

C4 nourhan z c4 f1 list of un voted words