Merge pull request #6 from semihyagcioglu/master

Update
Merge pull request #36 from egemenulucay/master

Merge pull request #6 from semihyagcioglu/master
Added UI Class
Added UI Class
Merge pull request #37 from kburkay/master

UI Class Added
Added default constructor to Database class.
Merge pull request #38 from jon0638/master

Added LogIn method
Merge pull request #7 from semihyagcioglu/master

Update