Added basic file encryption to writeFile and readFile; Minor changes

NothinFancy/src/include/Gamestate.h

@@ -13,7 +13,7 @@ namespace nf {
 		virtual void onEnter();
 
 		virtual void update(double deltaTime);
-		virtual void render();
+		virtual void render(Renderer& renderer);
 
 		virtual void onExit();
 	protected:

NothinFancy/src/include/IntroGamestate.h

@@ -9,7 +9,7 @@ namespace nf {
 		void onEnter() override;
 
 		void update(double deltaTime) override;
-		void render() override;
+		void render(Renderer& renderer) override;
 
 		void onExit() override;
 	private:

NothinFancy/src/include/Utility.h

@@ -46,7 +46,7 @@ std::exit(-1);}
 
 	const wchar_t* toWide(const char* in);
 	const wchar_t* toWide(const std::string& in);
-	bool writeFile(const char* filename, const std::string& in);
-	std::string readFile(const char* filename);
+	bool writeFile(const char* filename, const std::string& in, bool encrypted = false);
+	std::string readFile(const char* filename, bool encrypted = false);
 
 }