Versions:
9.9.3 Minor bugs fixed, added dynamic paths
9.9.2 - Added generation of summaries, minor bug fixed
9.9.1 - blob added, minor bugs fixed
9.9 - sems adding, minor bugs fixed
9.8 - password hashing added, minor bugs fixed
9.7 - bugs fixed
9.5 - marks, presences, sems added, database corrected
9.3 - bugs fixed, database corrected
9.2 - closing section added, minor bugs fixed
9.0 - added functions of student panel
8.5 - create/edit sections and topics, relations between them, logging on own account
8.0 - added full connection between AdminPanel and database
GUI 7.0 - final version of GUI
GUI 6.1 - added new file filter, corrected checking files, default values in comboboxes
GUI 5.4 - adding files corrected
GUI 5.3 - correction of .gitignore
GUI 4.0 - added addtopic button, bugs fixed
GUI 3.0 - buttons, textboxes, comboboxes etc. added
GUI 2.0 - all forms made in GUI
GUI 1.0 - first elements of GUI