Commands

Resolves #4.

--- Copied from #4 ----
Channel management
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- [x] /kick
- [x] /ban /unban
- [x] /banlist
- [x] /topic

Rank commands
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- [x] /voice /devoice
- [x] /halfop /dehalfop
- [x] /op /deop
- [x] /strip

UI Commands
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- [x] /clear

Miscellaneous 
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- [x] /me
- [x] /help
- [x] /msg /query