linter fixes

.luacheckrc

@@ -4,12 +4,15 @@
 globals = {
   "AsciiArt",
   "Ascension",
+  "AscendDebugWindow",
   "Audio",
   "AudioTestWindow",
   "BriefIntroWindow",
   "CodeGenerator",
   "Config",
+  "CommuteGlitch",
   "Context",
+  "ContextDebug",
   "ContinuedWindow",
   "ControlsWindow",
   "CreditsWindow",
@@ -67,6 +70,7 @@ globals = {
   "music",
   "musicator_generate_pattern",
   "pix",
+  "poke4",
   "print",
   "rect",
   "rectb",