OBT/1.0.15

* Removed PF support again
Fixed Object reference not set to an instance of an object exception in EnemyAIController.cs UpdateLimbAttack()

* Reverted pervious fix on EnemyAIController bcuz the fix will not fix anything
Reduced MaxDegreeOfParallelism by 1 bcuz already a task there

* Re-removed all PF related stuff to fix issue
Removed all RUN_PHYSICS_IN_SEPARATE_THREAD related code because these codes are no longer functional
Removed a duplicated loop in GameScreen
Removed mulitple unnessary parallel operations

* Potentially fixed #44 and #43

* added a ToList for Gap.GapList

Barotrauma/BarotraumaShared/SharedSource/SingleThreadWorker.cs

@@ -9,16 +9,27 @@ namespace Barotrauma
 
         public static SingleThreadWorker GlobalWorker = new SingleThreadWorker();
 
+        /// <summary>
+        /// Initilize a SingleThreadWorker
+        /// SingleThreadWorker or STW for short is a FIFO queue ensure single-thread execution of a series of actions.
+        /// </summary>
         public SingleThreadWorker()
         {
             ActionQueue = new ConcurrentQueue<Action>();
         }
 
+        /// <summary>
+        /// Add a pending action in a STW queue
+        /// </summary>
+        /// <param name="action"></param>
         public void AddAction(Action action)
         {
             ActionQueue.Enqueue(action);
         }
 
+        /// <summary>
+        /// Run all pending actions in the STW queue
+        /// </summary>
         [STAThread]
         public void RunActions()
         {
@@ -32,8 +43,9 @@ namespace Barotrauma
                 {
                     // Just try-catch and do nothing but print errorlogs. We cannot afford crashing the game.
                     ConsoleColor originalForeground = Console.ForegroundColor;
-                    Console.ForegroundColor = ConsoleColor.Red;
-                    Console.WriteLine($"WARNING: Error occurred when running Single Thread Actions \n{e}");
+                    Console.ForegroundColor = ConsoleColor.Yellow;
+                    Console.WriteLine($"WARNING: Error occurred when running Single Thread Actions. " +
+                        $"If the server didn't crash or stop responding then this should be fine \n{e}");
                     Console.ForegroundColor = Console.ForegroundColor;
                 }
             }