Merge pull request #58 from Wohlstand/master

Merge to Update 58
Merge pull request #59 from Wohlstand/master

Merge to Update 59
Shouldn't use +1 to index.

Indexarray is then +1 bigger than bgo-array, and access nonexsisting arrayitem.
With +1 the programm crashes when the level uses the edge item.
Tested with level29.lvl @ invasion 2
Fix for other types too
Update German Translation
Merge pull request #45 from KevinW1998/master

Fixes + German Translation Update