BugFix:
- fixed many bugs in viewer;
- fixed bug with text object that force user to use CTRL+ENTER for inserting new line;
- new notification system for exception (due to server maintenance);
- fixed many minor bugs.
Implementations:
- added geographics information in cave information panel;
- added cave's branches in cave information panel;
- add, for single session, the options for inverting azimut and inclination;
- new clean-up funzion for invalid objects and for many 'difficult to find' problem;
- new functions in level manager;
- new 'select all' function in 'edit' menu.
