Get shell somewhat working

include/TessesFramework/Platform/Process.hpp

@@ -1,3 +1,4 @@
+#pragma once
 #include <vector>
 #include <string>
 #include "TessesFramework/Streams/Stream.hpp"

include/TessesFramework/TessesFramework.hpp

@@ -35,6 +35,8 @@
 #include "Serialization/Json.hpp"
 #include "Serialization/SQLite.hpp"
 #include "Platform/Environment.hpp"
+#include "Platform/Process.hpp"
+#include "Text/StringConverter.hpp"
 #include "SDL2/FontCache.hpp"
 #include "SDL2/Stream.hpp"
-#include "SDL2/GUI.hpp"
+#include "SDL2/GUI.hpp"