working on the method #252
added method for deleting project and some tests #257
added sometests #257
added umls #257
tests are fully working #257
adjusted documentation #257
adjusted documentation #257
resolving conflicts to merge #257
Merge pull request #301 from yousraHazem/c2_nayera_as_a_creator_delete_project

C2 nayera as a creator delete project