- version update to 0.8.1
* Fixed bug where built-in interface dict overwrote `interface`
methods from Almanac (`interface.search`, `interface.edit`).
The `Resource` attribute `interface` is renamed `_interface`.
* Switch to using requests
* Allow library to be used from a zip archive
* Deprecated parameters are now set to optional
* Fixed bug where instance attribute was shadowing API endpoint
* Update interfaces.json
* Update README
- %check: use %pyunittest rpm macro