uncommit: move to the 'evocommands' module
We are about to play around with a UI mixing amend and uncommit, we take
advantage of this to split the __init__.py module a bit more.
amend: extract into a 'evolve.evocommands' module
We are about to play around with a UI mixing amend and uncommit, we take
advantage of this to split the __init__.py module a bit more.