Issue # 244 [Report] Reports that have the same name and term is
downloaded with the same file name.

I check that user inputting report name and report term is existing or
not previous report list. If this kind of report exist, ask the user
overide or not.
Issue # 244 checking report name and report term same or not with
previous existing report.
Merge pull request #379 from acro-khinewai/ENdoSnipe_Issue244

Issue # 244 [Report] Reports that have the same name and term is downloaded with the same file name.