Fixing send messages while disabling OnMessageEvents (working on copies of call arrays)

CHANGELOG.md

 
 - **Delayed Logic** now has a mode that allows you to have a random delay within a range.
 - **Audio Play Clip Action** now allows you to randomize volume and pitch within a range of values every time you play the clip.
+- Messager now send messages through a copy of its source listeners array instead of the actual enumerator. This prevents from modifying the call array at the same frame if a OnMessageEvent becomes disabled during execution.
 
 #### Fixed
 

Runtime/Managers/Messager/Messager.cs

             {
                 try
                 {
-                    foreach (var message in m_RegisteredMessages[eventName])
+                    // Get a copy of registered messages to iterate on. This prevents issues while deregistering message recievers while iterating.
+                    var messages = m_RegisteredMessages[eventName];
+                    foreach (var message in messages)
-                        message.Invoke(instigator);
+                        if(message != null)
+                            message.Invoke(instigator);
                     }
                 }
                 catch (Exception e)
             }
             else
             {
-                Debug.Log("[MessageManager] could not find any listeners for event : " + eventName);
+                if(GameplayIngredientsSettings.currentSettings.verboseCalls)
+                    Debug.Log("[MessageManager] could not find any listeners for event : " + eventName);
             }
         }
     }