Removed finalizer from GUIPanel as it was causing a crash

Ensured that EditorWidget contents get properly cleaned up when it closes

BansheeEditor/Source/BsEditorWidget.cpp

@@ -19,7 +19,8 @@ namespace BansheeEngine
 
 	EditorWidgetBase::~EditorWidgetBase()
 	{
-
+		if (mContent != nullptr)
+			GUIArea::destroy(mContent);
 	}
 
 	void EditorWidgetBase::close()

BansheeMono/Source/BsMonoManager.cpp

@@ -8,6 +8,7 @@
 #include <mono/metadata/assembly.h>
 #include <mono/metadata/mono-config.h>
 #include <mono/metadata/mono-gc.h>
+#include <mono/metadata/mono-debug.h>
 
 namespace BansheeEngine
 {
@@ -17,7 +18,14 @@ namespace BansheeEngine
 	MonoManager::MonoManager()
 		:mRootDomain(nullptr), mScriptDomain(nullptr), mIsCoreLoaded(false)
 	{
-		mono_set_dirs(MONO_LIB_DIR.c_str(), MONO_ETC_DIR.c_str()); 
+		mono_set_dirs(MONO_LIB_DIR.c_str(), MONO_ETC_DIR.c_str());
+
+#if BS_DEBUG_MODE
+		mono_set_signal_chaining(true);
+		mono_debug_init(MONO_DEBUG_FORMAT_MONO);
+#endif
+
+		
 		mono_config_parse(nullptr);
 
 		mRootDomain = mono_jit_init_version("BansheeMono", "v4.0.30319"); // TODO: Allow user-defined version here?

BansheeMono/Source/BsMonoMethod.cpp

@@ -24,7 +24,7 @@ namespace BansheeEngine
 		::MonoMethod* virtualMethod = mono_object_get_virtual_method(instance, mMethod);
 
 		MonoObject* exception = nullptr;
-		MonoObject* retVal = mono_runtime_invoke(virtualMethod, instance, params, nullptr);
+		MonoObject* retVal = mono_runtime_invoke(virtualMethod, instance, params, &exception);
 
 		MonoUtil::throwIfException(exception);
 		return retVal;

Inspector.txt

@@ -3,20 +3,16 @@ Update GUIFoldout with sub styles
 
 Test if drag and dropping scene objects works with object and resource fields. Especially custom resources and components.
 
-Test clone method in SerializableProperty
-
-There an error on exit with GUI, likely due to new destruction scheme. I will likely need to adjust C# code so it marks all children as destroyed when parent is destroyed.
+Restore widget layout save/load methods
+Fix issue that happens when GUI element is destroyed and tries to access a previously deleted object
+Fix unreleased core objects
+Restore other commented out managed code
+Get InspectorWindow to show up in main window again
 
 Test custom resources:
  - Can I load them? (Will likely need ProjectLIbrary::load)
  - Can I reference them in Component and will the reference be held after after cloning?
 
-ARRAY
-> MyArray    [_________] [Resize]
-   1. [_________] [X] [C] [^] [¡]
-   2. [_________] [X] [C] [^] [¡]
-   3. [_________] [X] [C] [^] [¡]
-
 ARRAY TODO:
  - Ensure that case when array is null is handled properly. Will likely need a [Create] button. And a [Clear] button?
  - Need a GUIFoldout that doesn't have BG and is just a single button.

MBansheeEngine/GUI/GUIPanel.cs

@@ -23,15 +23,6 @@ namespace BansheeEngine
             Internal_CreateInstance(this);
         }
 
-        ~GUIPanel()
-        {
-            GUIArea[] childArray = childAreas.ToArray(); // Iterating over it will modify it so make a copy
-            for (int i = 0; i < childArray.Length; i++)
-                childArray[i].Destroy();
-
-            childAreas.Clear();
-        }
-
         internal void Initialize()
         {
             mainArea = AddArea(0, 0, 0, 0);