diff --git a/Crawler/Animation.cpp b/Crawler/Animation.cpp
index 5776b270..e9eec8b9 100644
--- a/Crawler/Animation.cpp
+++ b/Crawler/Animation.cpp
@@ -216,8 +216,6 @@ void sig::Animation::InitializeAnimations(){
 		if(!ANIMATION_DATA.count(imgFile)){
 			std::cout<<"WARNING! Animation data for "<<imgFile<<" not found! Auto-generating..."<<std::endl;
 			CreateStillAnimation(imgFile,GFX[imgFile].Sprite()->Size());
-			std::map<int,int>test;
-			test.begin();
 		}
 	}
 }
diff --git a/Crawler/Crawler.cpp b/Crawler/Crawler.cpp
index 432f5ac8..1c27058a 100644
--- a/Crawler/Crawler.cpp
+++ b/Crawler/Crawler.cpp
@@ -78,6 +78,7 @@ Crawler::Crawler()
 		utils::datafile::Read(DATA,CONFIG_PATH + "class_directory"_S + cl + ".txt");
 	}
 	utils::datafile::DEBUG_ACCESS_OPTIONS="debug_access_options"_I;
+	utils::datafile::INITIAL_SETUP_COMPLETE=true;
 }
 
 bool Crawler::OnUserCreate(){
@@ -1682,7 +1683,7 @@ void Crawler::InitializeGraphics(){
 		std::string key=val.first;
 		std::string imgFile=DATA["Images"][key].GetString();
 		std::cout<<"Loading image "+imgFile+"..."<<std::endl;
-		if(GFX[imgFile].Load("GFX_Prefix"_S+imgFile,nullptr,false,false)!=rcode::OK){
+		if(!GFX.count(imgFile)&&GFX[imgFile].Load("GFX_Prefix"_S+imgFile,nullptr,false,false)!=rcode::OK){
 			std::cout<<"  WARNING! Failed to load "+imgFile+"!";
 			throw;
 		}
@@ -1692,23 +1693,38 @@ void Crawler::InitializeGraphics(){
 	for(auto&key:DATA["Themes"].GetKeys()){
 		std::string themeName=key.first;
 		std::string imgPath=DATA["Themes"][themeName]["Name"].GetString();
-		Renderable&patchImg=GFX["theme_img_directory"_S+imgPath+".png"];
+		Renderable&img=GFX["theme_img_directory"_S+imgPath+".png"];
+		img.Load("GFX_Prefix"_S+"theme_img_directory"_S+imgPath+".png");
+		Renderable&sourceImg=img;
 		Pixel::Mode prevMode=GetPixelMode();
 		SetPixelMode(Pixel::Mode::MASK);
 		for(int x=0;x<3;x++){
 			for(int y=0;y<3;y++){
-				std::string patchKey=imgPath+"_"+std::to_string(x)+std::to_string(y)+".png";
-				GFX[patchKey].Create("Interface.9PatchSize"_i[0],"Interface.9PatchSize"_i[1],false,false);
-				SetDrawTarget(GFX[patchKey].Sprite());
+				std::string patchKey=themeName+"_"+std::to_string(x)+std::to_string(y)+".png";
+				Renderable&patchImg=GFX[patchKey];
+				patchImg.Create("Interface.9PatchSize"_i[0],"Interface.9PatchSize"_i[1],false,false);
+				SetDrawTarget(patchImg.Sprite());
 				Clear(BLANK);
-				DrawPartialSprite({0,0},patchImg.Sprite(),{x*"Interface.9PatchSize"_i[0],y*"Interface.9PatchSize"_i[1]},{"Interface.9PatchSize"_i[0],"Interface.9PatchSize"_i[1]});
-				GFX[patchKey].Decal()->Update();
+				DrawPartialSprite({0,0},sourceImg.Sprite(),{x*"Interface.9PatchSize"_i[0],y*"Interface.9PatchSize"_i[1]},{"Interface.9PatchSize"_i[0],"Interface.9PatchSize"_i[1]});
+				patchImg.Decal()->Update();
 				SetDrawTarget(nullptr);
 			}
 		}
 		SetPixelMode(prevMode);
-		Menu::themes[imgPath]=Theme{themeName,imgPath,DATA["Themes"][themeName]["ButtonColor"].GetPixel(),DATA["Themes"][themeName]["HighlightColor"].GetPixel()};
+		
 		std::cout<<"Theme "<<themeName<<" Loaded."<<std::endl;
+
+		if(DATA["Themes"][themeName].HasProperty("CustomBack")){
+			std::string backPath=DATA["Themes"][themeName]["CustomBack"].GetString();
+			std::cout<<" Custom background detected, Loading "<<backPath<<"..."<<std::endl;
+			if(!GFX.count(backPath)){
+				Renderable&background=GFX[backPath];
+				background.Load("GFX_Prefix"_S+backPath,nullptr,false,false);
+			}
+			Menu::themes[themeName]=Theme{themeName,imgPath,bool(DATA["Themes"][themeName]["Tiled"].GetInt()),DATA["Themes"][themeName]["ButtonColor"].GetPixel(),DATA["Themes"][themeName]["HighlightColor"].GetPixel(),GFX.at(backPath).Decal()};
+		}else{
+			Menu::themes[themeName]=Theme{themeName,imgPath,bool(DATA["Themes"][themeName]["Tiled"].GetInt()),DATA["Themes"][themeName]["ButtonColor"].GetPixel(),DATA["Themes"][themeName]["HighlightColor"].GetPixel()};
+		}
 	}
 
 	Menu::themes.SetInitialized();
diff --git a/Crawler/Menu.cpp b/Crawler/Menu.cpp
index 9d5450b5..71c957d7 100644
--- a/Crawler/Menu.cpp
+++ b/Crawler/Menu.cpp
@@ -6,8 +6,8 @@
 bool Menu::MOUSE_NAVIGATION=true;
 std::vector<Menu*>Menu::stack;
 std::map<MenuType,Menu>Menu::menus;
-std::string Menu::themeSelection="9patch";
-safemap<std::string,Theme>Menu::themes;
+std::string Menu::themeSelection="BlueDefault";
+safeunorderedmap<std::string,Theme>Menu::themes;
 
 INCLUDE_GFX
 
@@ -90,7 +90,7 @@ void Menu::Update(Crawler*game){
 void Menu::Draw(Crawler*game){
 	vf2d upperLeftPos=game->GetScreenSize()/2-size/2;
 
-	if(scaled){
+	if(GetCurrentTheme().IsScaled()){
 		DrawScaledWindow(game,upperLeftPos);
 	}else{
 		DrawTiledWindow(game,upperLeftPos);
@@ -239,31 +239,32 @@ void Menu::KeyboardButtonNavigation(Crawler*game,vf2d menuPos){
 	}
 }
 
-void Menu::SetScaledPatchBorder(bool scaled){
-	this->scaled=scaled;
-}
-
 void Menu::DrawScaledWindow(Crawler*game,vf2d menuPos){
 	vf2d patchSize={"Interface.9PatchSize"_f[0],"Interface.9PatchSize"_f[1]};
 
 	//Upper-Left
-	game->DrawPartialDecal(menuPos-patchSize,patchSize,GFX["9patch.png"].Decal(),{patchSize.x*0,patchSize.y*0},patchSize);
+	game->DrawPartialDecal(menuPos-patchSize,patchSize,GetPatchPart(0,0).Decal(),{patchSize.x*0,patchSize.y*0},patchSize);
 	//Upper-Right
-	game->DrawPartialDecal(menuPos+vf2d{size.x,-patchSize.y},patchSize,GFX["9patch.png"].Decal(),{patchSize.x*2,patchSize.y*0},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{size.x,-patchSize.y},patchSize,GetPatchPart(2,0).Decal(),{patchSize.x*2,patchSize.y*0},patchSize);
 	//Bottom-Left
-	game->DrawPartialDecal(menuPos+vf2d{-patchSize.x,size.y},patchSize,GFX["9patch.png"].Decal(),{patchSize.x*0,patchSize.y*2},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{-patchSize.x,size.y},patchSize,GetPatchPart(0,2).Decal(),{patchSize.x*0,patchSize.y*2},patchSize);
 	//Bottom-Right
-	game->DrawPartialDecal(menuPos+vf2d{size.x,size.y},patchSize,GFX["9patch.png"].Decal(),{patchSize.x*2,patchSize.y*2},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{size.x,size.y},patchSize,GetPatchPart(2,2).Decal(),{patchSize.x*2,patchSize.y*2},patchSize);
 	//Top
-	game->DrawPartialDecal(menuPos+vf2d{0,-patchSize.y},vf2d{size.x,patchSize.y},GFX["9patch.png"].Decal(),{patchSize.x*1,patchSize.y*0},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{0,-patchSize.y},vf2d{size.x,patchSize.y},GetPatchPart(1,0).Decal(),{patchSize.x*1,patchSize.y*0},patchSize);
 	//Left
-	game->DrawPartialDecal(menuPos+vf2d{-patchSize.x,0},vf2d{patchSize.x,size.y},GFX["9patch.png"].Decal(),{patchSize.x*0,patchSize.y*1},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{-patchSize.x,0},vf2d{patchSize.x,size.y},GetPatchPart(0,1).Decal(),{patchSize.x*0,patchSize.y*1},patchSize);
 	//Right
-	game->DrawPartialDecal(menuPos+vf2d{size.x,0},vf2d{patchSize.x,size.y},GFX["9patch.png"].Decal(),{patchSize.x*2,patchSize.y*1},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{size.x,0},vf2d{patchSize.x,size.y},GetPatchPart(2,1).Decal(),{patchSize.x*2,patchSize.y*1},patchSize);
 	//Bottom
-	game->DrawPartialDecal(menuPos+vf2d{0,size.y},vf2d{size.x,patchSize.y},GFX["9patch.png"].Decal(),{patchSize.x*1,patchSize.y*2},patchSize);
+	game->DrawPartialDecal(menuPos+vf2d{0,size.y},vf2d{size.x,patchSize.y},GetPatchPart(1,2).Decal(),{patchSize.x*1,patchSize.y*2},patchSize);
 	//Center
-	game->DrawPartialDecal(menuPos,size,GFX["9patch.png"].Decal(),{patchSize.x*1,patchSize.y*1},patchSize);
+	if(GetCurrentTheme().HasBackground()){
+		Decal*back=GetCurrentTheme().GetBackground();
+		game->DrawPartialDecal(menuPos,size,back,{0,0},back->sprite->Size());
+	}else{
+		game->DrawPartialDecal(menuPos,size,GetPatchPart(1,1).Decal(),{patchSize.x*1,patchSize.y*1},patchSize);
+	}
 }
 
 void Menu::DrawTiledWindow(Crawler*game,vf2d menuPos){
@@ -286,9 +287,18 @@ void Menu::DrawTiledWindow(Crawler*game,vf2d menuPos){
 	//Bottom
 	game->DrawPartialDecal(menuPos+vf2d{0,size.y},vf2d{size.x,patchSize.y},GetPatchPart(1,2).Decal(),{0,0},vf2d{size.x,patchSize.y});
 	//Center
-	game->DrawPartialDecal(menuPos,size,GetPatchPart(1,1).Decal(),{0,0},patchSize);
+	if(GetCurrentTheme().HasBackground()){
+		Decal*back=GetCurrentTheme().GetBackground();
+		game->DrawPartialDecal(menuPos,size,back,{0,0},size);
+	}else{
+		game->DrawPartialDecal(menuPos,size,GetPatchPart(1,1).Decal(),{0,0},patchSize);
+	}
 }
 
 Renderable&Menu::GetPatchPart(int x,int y){
 	return GFX[themeSelection+"_"+std::to_string(x)+std::to_string(y)+".png"];
+}
+
+Theme&Menu::GetCurrentTheme(){
+	return themes[themeSelection];
 }
\ No newline at end of file
diff --git a/Crawler/Menu.h b/Crawler/Menu.h
index 34126e19..160c05eb 100644
--- a/Crawler/Menu.h
+++ b/Crawler/Menu.h
@@ -19,19 +19,17 @@ class Menu:IAttributable{
     safemap<std::string,MenuComponent*>components; //A friendly way to interrogate any component we are interested in.
     vi2d selection={-1,-1};
     vf2d size; //Size in tiles (24x24), every menu will be tile-based
-    bool scaled=false; //Whether or not the patch border is supposed to be scaled or tiled.
 public:
     Menu();
     Menu(vf2d size);
     void AddComponent(std::string key,MenuComponent*button);
     void Update(Crawler*game);
     void Draw(Crawler*game);
-    void SetScaledPatchBorder(bool scaled);
     static void InitializeMenus();
     static void OpenMenu(MenuType menu);
     static std::vector<Menu*>stack;
     static std::string themeSelection;
-    static safemap<std::string,Theme>themes;
+    static safeunorderedmap<std::string,Theme>themes;
 private:
     void MenuSelect(Crawler*game);
     static const Menu InitializeTestMenu();
@@ -39,6 +37,8 @@ private:
     //X (0-3), Y (0-2) for specific 9-patch tile (tiled version).
     static Renderable&GetPatchPart(int x,int y);
 
+    static Theme&GetCurrentTheme();
+
     void KeyboardButtonNavigation(Crawler*game,vf2d menuPos);
     void DrawScaledWindow(Crawler*game,vf2d menuPos);
     void DrawTiledWindow(Crawler*game,vf2d menuPos);
diff --git a/Crawler/MenuComponent.cpp b/Crawler/MenuComponent.cpp
index 3186a8fd..fcea6d65 100644
--- a/Crawler/MenuComponent.cpp
+++ b/Crawler/MenuComponent.cpp
@@ -9,14 +9,14 @@ MenuComponent::MenuComponent(geom2d::rect<float>rect,std::string label,MenuType
 
 void MenuComponent::Update(Crawler*game){
 	if(hovered){
-		hoverEffect=std::min(1.f,hoverEffect+game->GetElapsedTime());
+		hoverEffect=std::min("ThemeGlobal.HighlightTime"_F,hoverEffect+game->GetElapsedTime());
 	}else{
 		hoverEffect=std::max(0.f,hoverEffect-game->GetElapsedTime());
 	}
 }
 
 void MenuComponent::Draw(Crawler*game,vf2d parentPos){
-	game->FillRectDecal(rect.pos+parentPos,rect.size,PixelLerp(Menu::themes[Menu::themeSelection].GetButtonCol(),Menu::themes[Menu::themeSelection].GetHighlightCol(),hoverEffect));
+	game->FillRectDecal(rect.pos+parentPos,rect.size,PixelLerp(Menu::themes[Menu::themeSelection].GetButtonCol(),Menu::themes[Menu::themeSelection].GetHighlightCol(),hoverEffect/"ThemeGlobal.HighlightTime"_F));
 	if(border){
 		game->DrawRectDecal(rect.pos+parentPos,rect.size,GREY);
 	}
diff --git a/Crawler/Player.cpp b/Crawler/Player.cpp
index 24363c95..ab393d70 100644
--- a/Crawler/Player.cpp
+++ b/Crawler/Player.cpp
@@ -536,7 +536,7 @@ bool Player::Hurt(int damage,bool onUpperLevel,float z){
 }
 
 void Player::AddAnimation(std::string state){
-	animation.AddState(state,ANIMATION_DATA[state]);
+	animation.AddState(state,ANIMATION_DATA.at(state));
 }
 
 void Player::UpdateAnimation(std::string animState,int specificClass){
diff --git a/Crawler/TestSubMenu.cpp b/Crawler/TestSubMenu.cpp
index e6e6bea1..b4ef80e2 100644
--- a/Crawler/TestSubMenu.cpp
+++ b/Crawler/TestSubMenu.cpp
@@ -17,8 +17,15 @@ const Menu Menu::InitializeTestSubMenu(){
 	};
 
 	testSubMenu.AddComponent("BACK",new MenuComponent({{24*1,24*1},{24*2,24*1}},"Go Back",goBack));
-
-	testSubMenu.I(A::INDEXED_THEME)=0;
+	
+	int index=0;
+	for(auto&theme:Menu::themes){
+		if(theme.first==Menu::themeSelection){
+			testSubMenu.I(A::INDEXED_THEME)=index;
+			break;
+		}
+		index++;
+	}
 
 	MenuFunc themePrev=[](Menu&menu,Crawler*game){
 		bool found=false;
diff --git a/Crawler/Theme.h b/Crawler/Theme.h
index 6432f459..011b8cd4 100644
--- a/Crawler/Theme.h
+++ b/Crawler/Theme.h
@@ -5,11 +5,13 @@ class Theme{
 	std::string displayName;
 	std::string imgPath;
 
+	bool tiled=true;
 	Pixel buttonCol,highlightCol;
+	Decal*background;
 public:
 	inline Theme(){}
-	inline Theme(std::string displayName,std::string imgPath,Pixel buttonCol,Pixel highlightCol)
-		:displayName(displayName),imgPath(imgPath),buttonCol(buttonCol),highlightCol(highlightCol){}
+	inline Theme(std::string displayName,std::string imgPath,bool tiled,Pixel buttonCol,Pixel highlightCol,Decal*background=nullptr)
+		:displayName(displayName),imgPath(imgPath),tiled(tiled),buttonCol(buttonCol),highlightCol(highlightCol),background(background){}
 	inline Pixel GetButtonCol(){
 		return buttonCol;
 	}
@@ -19,4 +21,13 @@ public:
 	inline std::string GetThemeName(){
 		return displayName;
 	}
+	inline bool IsScaled(){
+		return !tiled;
+	}
+	inline bool HasBackground(){
+		return background!=nullptr;
+	}
+	inline Decal*GetBackground(){
+		return background;
+	}
 };
\ No newline at end of file
diff --git a/Crawler/Version.h b/Crawler/Version.h
index e2c778e1..4104677b 100644
--- a/Crawler/Version.h
+++ b/Crawler/Version.h
@@ -2,7 +2,7 @@
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 2
 #define VERSION_PATCH 0
-#define VERSION_BUILD 1676
+#define VERSION_BUILD 1704
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a
diff --git a/Crawler/assets/config/gfx/gfx.txt b/Crawler/assets/config/gfx/gfx.txt
index 318880a1..ab560c1a 100644
--- a/Crawler/assets/config/gfx/gfx.txt
+++ b/Crawler/assets/config/gfx/gfx.txt
@@ -39,9 +39,6 @@ Images
 	GFX_SkillOverlayIcon = skill_overlay_icon.png
 	GFX_SkillOverlayIconOverlay = skill_overlay_icon_overlay.png
 
-	GFX_9Patch = themes/9patch.png
-	GFX_9Patch2 = themes/9patch_2.png
-
 	# Ability Icons
 	GFX_Warrior_BattleCry_Icon = Ability Icons/battlecry.png
 	GFX_Warrior_Block_Icon = Ability Icons/block.png
diff --git a/Crawler/assets/config/gfx/themes.txt b/Crawler/assets/config/gfx/themes.txt
index 44175e14..88118607 100644
--- a/Crawler/assets/config/gfx/themes.txt
+++ b/Crawler/assets/config/gfx/themes.txt
@@ -1,25 +1,63 @@
+ThemeGlobal
+{
+	# How long it takes for the fade-in/fade-out effect to occur.
+	HighlightTime = 0.6
+}
+
 Themes
 {
 	# Provide the patch image names without the .png extensions.
 
 	BlueDefault
 	{
-		Name = "9patch"
+		Name = 9patch
 
 		ButtonColor = 0,0,64,255
 		HighlightColor = 0,200,200,255
 
 		# If set to 0, stretches the edges and center instead of tiling it.
 		Tiled = 1
+
+		# Specifying a custom background from the assets directory uses that instead.
+		#CustomBack = image.png
 	}
 	Purple
 	{
-		Name = "9patch_2"
+		Name = 9patch_2
 
 		ButtonColor = 40,16,71,255
 		HighlightColor = 192,128,238,255
 
 		# If set to 0, stretches the edges and center instead of tiling it.
 		Tiled = 1
+
+		# Specifying a custom background from the assets directory uses that instead.
+		#CustomBack = themes/testback.png
+	}
+	NicoPink
+	{
+		Name = 9patch_3
+
+		ButtonColor = 208,73,182,255
+		HighlightColor = 255,239,232,255
+
+		# If set to 0, stretches the edges and center instead of tiling it.
+		Tiled = 0
+
+		# Specifying a custom background from the assets directory uses that instead.
+		CustomBack = themes/testback.png
+	}
+	NicoPinkTiled
+	{
+		Name = 9patch_4
+
+		ButtonColor = 208,73,182,255
+		HighlightColor = 255,239,232,255
+
+		# If set to 0, stretches the edges and center instead of tiling it.
+		Tiled = 1
+
+		# Specifying a custom background from the assets directory uses that instead.
+		CustomBack = themes/testtiledback.png
 	}
 }
\ No newline at end of file
diff --git a/Crawler/assets/themes/9patch_3.png b/Crawler/assets/themes/9patch_3.png
new file mode 100644
index 00000000..d24c475c
Binary files /dev/null and b/Crawler/assets/themes/9patch_3.png differ
diff --git a/Crawler/assets/themes/9patch_4.png b/Crawler/assets/themes/9patch_4.png
new file mode 100644
index 00000000..d24c475c
Binary files /dev/null and b/Crawler/assets/themes/9patch_4.png differ
diff --git a/Crawler/assets/themes/testback.png b/Crawler/assets/themes/testback.png
new file mode 100644
index 00000000..d72dcd52
Binary files /dev/null and b/Crawler/assets/themes/testback.png differ
diff --git a/Crawler/assets/themes/testtiledback.png b/Crawler/assets/themes/testtiledback.png
new file mode 100644
index 00000000..8a25dc90
Binary files /dev/null and b/Crawler/assets/themes/testtiledback.png differ
diff --git a/Crawler/olcUTIL_DataFile.h b/Crawler/olcUTIL_DataFile.h
index 506ccb3b..01f527e2 100644
--- a/Crawler/olcUTIL_DataFile.h
+++ b/Crawler/olcUTIL_DataFile.h
@@ -71,6 +71,7 @@ namespace olc::utils
 	public:
 		inline datafile() = default;
 		inline static bool DEBUG_ACCESS_OPTIONS=false;
+		inline static bool INITIAL_SETUP_COMPLETE=false;
 
 	public:
 		// Sets the String Value of a Property (for a given index)
@@ -444,6 +445,10 @@ namespace olc::utils
 			// Check if this "node"'s map already contains an object with this name...
 			if (m_mapObjects.count(name) == 0)
 			{
+				if(INITIAL_SETUP_COMPLETE){
+					std::cout<<"WARNING! Key "<<name<<" does not exist in datafile!"<<std::endl; //We're not going to allow manual creation of nodes.
+					throw;
+				}
 				// ...it did not! So create this object in the map. First get a vector id 
 				// and link it with the name in the unordered_map
 				m_mapObjects[name] = m_vecObjects.size();
diff --git a/Crawler/safemap.h b/Crawler/safemap.h
index e6c64828..1ecd2ef6 100644
--- a/Crawler/safemap.h
+++ b/Crawler/safemap.h
@@ -12,7 +12,68 @@ public:
 			std::cout<<"WARNING! Trying to get non-existent key "<<key<<"!"<<std::endl;
 			throw;
 		}
-		return map[key];
+		if(!initialized){
+			size_t originalSize=map.size();
+			O&val=map[key];
+			if(originalSize==map.size()){
+				std::cout<<"WARNING! A previously set value has been overwritten! Key: "<<key<<std::endl;
+				throw;
+			}
+			return val;
+		}else{
+			return map[key];
+		}
+	}
+	O&at(T key){
+		return map.at(key);
+	}
+	size_t count(T key){
+		return map.count(key);
+	}
+	void SetInitialized(){
+		initialized=true;
+	}
+	size_t size(){
+		return map.size();
+	}
+	//Clears the entire map and unlocks the map so items can be added to it again.
+	void Reset(){
+		initialized=false;
+		map.clear();
+	}
+	auto begin()const{
+		return map.begin();
+	}
+	auto end()const{
+		return map.end();
+	}
+};
+
+//A class that has an initialization lock so that when the lock is activated, any further gets that are missing items in it will report themselves for easier debugging detection.
+template<typename T,typename O>
+class safeunorderedmap{
+	std::unordered_map<T,O>map;
+	bool initialized=false;
+public:
+	O&operator[](T key){
+		if(initialized&&map.count(key)==0){
+			std::cout<<"WARNING! Trying to get non-existent key "<<key<<"!"<<std::endl;
+			throw;
+		}
+		if(!initialized){
+			size_t originalSize=map.size();
+			O&val=map[key];
+			if(originalSize==map.size()){
+				std::cout<<"WARNING! A previously set value has been overwritten! Key: "<<key<<std::endl;
+				throw;
+			}
+			return val;
+		}else{
+			return map[key];
+		}
+	}
+	O&at(T key){
+		return map.at(key);
 	}
 	size_t count(T key){
 		return map.count(key);