If `Model.uuid()` exists, use it to set `@id` and `@cid` in constructor
Added tests for client-side UUIDs
Bug fix and test improvements
WIP
Spine.Stack creates new Spine.Router instances
Rename `Route` to `Router` in tests
Ignore local .vimrc files
Added `Router.create()`/`Router::destroy()`. Updated tests.
Code style cleanup
Bug fix
Another bug fix
Bug fix
Changed class names for better legacy support
Added `Collection.fetch()` method
Added `Collection::url()` method
Rework & test fixes
Merge branch 'relation-fetch' into dev
Merge branch 'client-side-uuids' into dev