Bluetooth utilities and improvements, alternative inspectors
Replace README.md with README.org
Remove swank calls. A little code cleanup. Add some doc coments.
More cleanup
* Add more documentation comments
* Change `bluetooth` -> `bt`
* Remove hard-coded bluetooth device paths
* Renamed `get-value` to `find-value`
Fix leftover call to `pretty-print`
Add `list-paths` example.
A lot of new functionality added while working on racebox-tools
* `bluetooth-connect` and `bluetooth-disconnect`
* Working `list-all-paths` and `list-paths-at`
* `pp` to pretty print data returned by `dbus:` functions
* Document more functions
* Add some type declarations
* TODO: Merge sequential nested calls to `(dbus:with-open-bus ...)` into single
calls in the top level function. Investigate whether that's worth doing.
Move bluetooth functions into bluez.lisp.
Add WIP function `list-paths` to list object paths under a service.