Mnemosyne 2.7.1
- Improved Google Translate results.
- Fixed a regression in the sync protocol when Mnemosyne had warned about
learning too many new cards.
- Improved support for OpenGL emulation libraries on older hardware.
- No longer give a Matplotlib warning when plotting statistics.
- Many cleanups in the code by Cole Robinson.
- Improve Python 3.8 compatibility (patch by hal50000).