0.87.0 - Division Zero

This release improves artificial intelligence controlling the non-player ships. Changes:

• Faction will now look after it's members.
  
• Tow ships will now communicate and not try to grab disabled ships that are already towed.
  
• Ships now can register as cargo of bigger ships.
  
• Fixes in docking AI heuristics.
  
• Fixed a bug that could cause game to crash when encountering perfectly stationary object.
  
• Extended logs to cover areas that might be causing crashes.
  
• Ensured that there are no collisions during ring-dive cutscene.
  
• Fixed autopilot power / acceleration limiting in comfort mode.