- Began outlining tokenizer.h and priority_queue.h

- Began outlining sdl implementation
- Added some helper definitions to various classes
- Added contains to string.h and wstring.h

test/tests/test_langproc.h

@@ -23,6 +23,7 @@
 
 #include "./langproc/test_strings.h"
 #include "./langproc/test_io.h"
+#include "langproc/test_format.h"
 
 namespace fennec::test
 {
@@ -33,6 +34,11 @@ namespace fennec::test
 		fennec_test_langproc_strings();
 		fennec_test_spacer(3);
 
+		fennec_test_header("format");
+		fennec_test_spacer(2);
+		fennec_test_langproc_format();
+		fennec_test_spacer(3);
+
 		fennec_test_header("io");
 		fennec_test_spacer(2);
 		fennec_test_langproc_io();