Input module review

[Pyxus]

• [X] Input binds
• [x] Simple input
• [x] Combination input
• [x] Conditional input
• [x] Group input
• [x] Virtual device
• [ ] Fray input manager
• [ ] Sequence matcher

Fixes: #47

[Pyxus]

There are still a few issues with the input module but I want to merge the improvements that are currently in place.