Add "don't interpret" mode

[tom-writes-code]

Have a new mode on repl that allows for running code without attempting to interpret it and show results.

This will allow for running code without compiler errors (which are the most common cause for problems).

Optional best bits:

• Auto-switch to this mode if compilation didn't work
• Do it line by line? Then you can avoid the bad lines only on those that don't work

[tom-writes-code]

I think this should probably live as an options screen on F22/F23, where you can choose exactly what you want to change about how it compiles.

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Compile Options N Skip interpretation Y Show compile options

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Line-by-line seems really hard, I'm not sure how I could do that.