New Parser

The new Parser has a flaw in it's design as turtle graphics support float values and we cannot actually handle those currently...

Also the new way to add commands can be clunky at times and yield some issues with newer people wanting to contribute as there's no comments to what things are

Start by locating the new Parser and the code that adds commands, then inspect how turtle graphics numeric values are parsed. Done means float values are handled and the command-adding approach is documented clearly enough for new contributors; the issue does not name specific files or tests.

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