30.10.2014 V0.3b
   + Trajectory output now in project directory (instead of program directory)
   ! Wrong atm-file path in sample project file. Corrected.
   ! Runs with "no wind", if wrong atm-file path, but no warning. Changed.
   + added validation of atm-file path when opening a project file
   o GUI: radio button was not unchecked when aborting atm-file-dialog. Fixed
   o GUI: regression in V0.3. Annoying Messagebox when aborting open file dialog box. Fixed

27.10.2014  V0.3a
   + GUI: Added Message Box with summary

24.10.2014  V0.3
  !! Fixed bug in mass-loss calculating (was wrong at very high losses)
   ! Output was not found, when project file was not in program directory. Fixed.
   + Enhancement: calculation of gravity now height-dependent
   - GUI: Removed density calculation control (Now automatic)
   + GUI: Added many checks to ensure valid input values

23.10.2014  V0.2a
  !! Fixed serious bug in density calculation (wrong density at great heights)
   ! Fixed small bug in calculating azimuth (was div. by zero in *very* rare cases)
   o GUI: Value in outputfields now rounded (to fit into)

22.10.2014  V0.2
   First Beta-Version