[WIP] Refactor project

There are many problems with the way the current version is provided
and maintained. This commit or series of commits will fix this.

tests/src/rse_graphics_window_tests.h

@@ -9,9 +9,9 @@
  *
  */
 
-#ifndef RSE_GRAPHICS_TESTS_H
-#define RSE_GRAPHICS_TESTS_H
+#ifndef GRAPHICS_TESTS_H
+#define GRAPHICS_TESTS_H
 
 void rse_graphics_window_tests(void);
 
-#endif // RSE_GRAPHICS_TESTS_H
+#endif // GRAPHICS_TESTS_H