Merge pull request #58 from lambchopz/master

CourseList working with CourseDB
New update to Tests and testdatabase stuff.
Merge pull request #59 from HexSoftware/databaseupdate

New update to Tests and testdatabase stuff.
set data
Merge pull request #60 from ylevitsk/master

set data
4/25 12:54
4/25 12:56
Merge pull request #61 from ylevitsk/master

updates
Added some  documentation to testdb stuff
Merge pull request #62 from lambchopz/master

StudentDB, CourseDB functional with GUI (login and CourseList)
adding error checking with adding questions
forgot the new exception class
Merge pull request #63 from RAlmada/master

Adding error checking for adding questions
replacing collections with arraylists
Merge pull request #64 from RAlmada/master

replacing collections with arraylists