New version 0.7.9.18

Hello Comrades,

Just a publishing to a default branch current fixes for latest content update from test branch. A short summary:

• Optimized CPU workload for multithreading - there was reports it may fixed also some problems with alt-tab
  
• Fixes on chain signals - now should work better when you have more chain signals in row
  
• Fixed crashes of some workshop items
  

You can find more detailed info bellow:

0.7.9.14

• Optimized generation of reachable parkings.. when you get big freeze when building road and you had parkings.. this should decrease the freeze
  
• Changed synchronization of thread, so now there should be less performance on processor (on blank map or during alt tab) and you will save some electricity
  
• Now fires should randomly much less occur on buildings without electricity or residential buildings without any workers
  

0.7.9.16

• Fix of train refueling.. it consumption much more fuel than it appears on the fuel tank due to vagons
  
• Attempt to fix of chain signals, when you had them many in row then trains not properly calculate and find new routes on free tracks, now should be fixed
  

0.7.9.18

• Fixed crash to related when workshop building had badly defined ground works construction stage..
  
• Fixed crash of game when user click on workshop buildings icons