Fixed PatientOverview not hiding when opening PatientGraph
Added a method to convert score to seconds and added table attributes as object attributes
Added database table attributes as object attributes
Chart works.
Improved session file.
Removed a few useless System.out.prinln's
All references to table attributes and names are now variables, for easier modification. Improved some queries.
Clicking  show results  without having selected a row should not crash the program anymore. Added feedback to the user for this.
User ID and name are now properly saved in the session file.