XP are now displayed in the game conclusion screen

FIX #5 “Display the experience in the XP bar after class like we do it
during class/pause”
Version bumped to 0.1.0
Merge branch 'release/0.1.0'
Merge tag '0.1.0' into develop

Releasing version 0.1.0

FIXES:
* #5 “Display the experience in the XP bar after class like we do it during class/pause”