Started to setup for codebase validation tests.

Fleshed out initial version of AST::is_equal( AST* )

Setup the test directory with initial files for each major validation test.

test/test.cpp

@@ -7,7 +7,7 @@
 #include "gen.builder.cpp"
 #include "sanity.cpp"
 #include "SOA.cpp"
-#include "test.singleheader_ast.cpp"
+#include "test.singleheader.cpp"
 
 int gen_main()
 {
@@ -18,8 +18,7 @@ int gen_main()
 
 	// check_SOA();
 
-	check_singleheader_ast();
-
+	// check_singleheader_ast();
 	return 0;
 }
 #endif