Build v0.9.1

Fixed Courtemanche Diffusion value.

Build v0.9.0

Main changes

• External model library.
• Kernel generator.
• Parameters as arrays and observer .
• Dimensionless names.
• Installation via pip.

See CHANGELOG for more details.

v0.8.6

Fixed Courtemanche Cm problem (missing).

v0.8.5.1

Fix for v0.8.5: Fenton-Karma Jsi equation - correct w variable.

v0.8.5

"Release v0.8.5: new models, examples. Updated docstrings and features. Test coverage: 80%"