* removed dependency on attrs * switched from pipenv to poetry * switched from Travis to GitHub Actions * updated code to use Python 3.9 features
0.0.6
* updated attrs to 19.3.0.
0.0.5
* updated attrs to 19.2.0.
0.0.4
* use background render loop thread to draw UI without blocking main thread * added context manager to Window to ensure background render loop thread is cleanly started and killed.
0.0.3
* added block interface, allowing users to provide custom blocks * added basic dynamic blocks
0.0.2
* added static blocks and windows * added target refresh rates and frame buffering