Add a command line REPL.#11

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AlbertoGP wants to merge 4 commits into

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AlbertoGP:master

Commits on Jun 13, 2020

Add a command line REPL.
AlbertoGP
committed

Commits on Jun 15, 2020

Add back-up degraded REPL mode if terminal lacks features.
AlbertoGP
committed

Commits on Jun 19, 2020