CLI

[ddkohler]

• add basic cli with click
• inspect, history, and catalog methods
• add property monotonic to tunes (useful diagnostic)
• resolves cli: attune catalogue #108, cli: attune history #109, cli: attune inspect #110

• changelog
• refactor folders back to original structure

[ddkohler]

working to alter print_history from a Instrument method to a store function. The history only works for instruments in the store, so it makes sense to specify the instrument by catalog key, rather than an object you are working with (that may or may not be in the store).