v2.0.3

• fec_conv.py: trellis_plot updated to match new matplotlib api
• matplotlib >=3.0 which drops python <3.5

v2.0.2

• Update numpy and scipy dependencies
• Testing now uses purest
• Build process now uses pyproject.toml
• Has not been verified to work on 3.10, but python version >=3.7 is now required