Fixed table.

The table wasn't rendering correctly in gogs.

TODO.md

@@ -15,7 +15,7 @@ We need to be able to tell where we are on the screen.  If we're at column 75, I
 I'm calling them MCI codes for now, because I know what that means.  Commands that control delay, display, etc.  For the sake of discussing in the document, we're going to say the trigger is "__^__".
 
 | Code | Effect |
-| - | - |
+| ---- | ------ |
 | Rx | Render Effects |
 | Sx | Speed Effects / Delays between characters |
 | Px | Pause / Sleep |