#19 Add Input And Output Components

[Brian G VanBuren]

Input component: prompts user for a value when the
control is non-zero (useful for little man, brainfuck,
and other instructional ISAs)

Output component: more advanced than simple signal
viewer (queue outputs when control is one, options for
ascii or list of hex values)

Should allow signals shown to be either binary, octal,
decimal, hex, ascii, unicode?, etc.

[Brian G VanBuren]

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Input Component added.
Output component somewhat added but not really (aka some framework code has been placed)