session more of a mess, but have separated db connect and disconnect into methods - progress!
Merge branch 'gui' of https://github.com/jon2512chua/Honours-Marks-Database into gui

Conflicts:
	HMD/src/backupSubsystem/BackupOperations.java
	HMD/src/gui/PopupWindow.java
	HMD/src/sessionControl/Session.java