Version 0.9.0

Mechanics:

-New two player map: forest

-You can now upgrade all units at the blacktsmith

Balancing:

-The players max level is now 10 (before it was 30)
-Boss units now have 10k health (before it was 20k)
-reduced the attackdamage of the playerclass "Warrior" to 15 (before it was 20)
-reduced the range of catapults to 80 (before it was 150)

Bugfixes:

-The player did get stuck if he spamed the harvest button
-You could hear an entity getting damaged  over the whole map
-The statistics were in the wrong order
-range units did walk closer to the target between attacks even they were already in attack range
-catapults now try to attack buildings first and only if there are now buildings they attack enteties