Fixed windows problems!

Finally! It's working… The DLL did not follow the _stdcall naming
convention!

CubeControl/libSerial/makefile

 
 Serial.dll: serialHelper.c winSerial.c serialInterface.h
 	$(CC) -x c -std=$(STANDARD) -DBUILDINGDLL -I$(HEADERPATH) -c serialHelper.c -o serialHelper.o -D winHelper
-	$(CC) -shared -o Serial.dll serialHelper.o
+	$(CC) -shared -Wl,--kill-at -o Serial.dll serialHelper.o
 
 # Delete intermediate files
 clean: