Everybody loves a good yearly or so update

tools/diff_settings.py

@@ -0,0 +1,5 @@
+def apply(config, args):
+    config["baseimg"] = "baserom.u.z64"
+    config["myimg"] = "build/u/ge007.u.z64"
+    config["mapfile"] = "build/u/ge007.u.map"
+    config["source_directories"] = ['src', 'include']