Beta 12

Fixes

• no more wicked camera movement in front of blocks (EE-416)
• no more date strings with certain foreign characters crashing the engine
• savegame loading leading to bugged games resolved

New Features

• new display option to double ui scale (EE-417)

Changes

• level sequence invetory manipulation split into separate items (EE-408)
• sliding sound effect immediately stops now when sliding stops (EE-412)
• decreased sound distance
• external audio file is now used for secret sound instead of internal one