Update 0.5.1

The Update 0.5.1 has only a few changes. All changes and bugfixes affect the new AI.

Bugfixes:

• Spawned AI on runtime is not affected by floating point error fix
• Some AI fall into the void when parts of the world are unloaded (AI gets deleted now the be able to get respawned)
• Navmesh errors

Changes:

• Changed AI that did not respawn
• Increased Respawntime from 2 - 3 seconds to 10 - 20 seconds for AI