[GP,LA]{regression test} Check for duplicates in DB
[GP,LA]{test after code} Prepare DB to not accept duplicates
[GP,LA]{refactoring} table creator
[GP,LA]{bugfix} Include DB util before FileRead
[GP,LA]{test before code} Add DB entry deleter
[GP,LA]{test after code} Add DB entries deleter
[GP,LA]{test before code} Add fileExists checker
[GP,LA]{test after code} Add fileExists checker
[GP,LA]{refactoring} Move adding to store functions to database util
Merge pull request #10 from Gerii/master

[GP,LA] Finish database, refactor file access