Improved formatting and testing

0.3.0

Update pyproject.toml

Improved formatting and testing

• Ran black on code for standardized formatting
• TOX implementation for increased testing abilities (different python versions), lint checking, type checking, and coverage analysis

Constant step ETD and IF methods

• New constant-step ETD and IF methods: ETD4, ETD5, and IF4
• StiffSolverAS and ETDAS classes are now abstract base classes
• Demo for constant-step method: Jupyter notebook constant_vs_adaptive
• Additional tests

0.0.4

Removed scipy and numpy from setup requirements.

0.0.3

Added tests to the package distribution

0.0.2

New meta.yaml file from version 0.0.2

0.0.1

First release