Stoner

Bug fix and minor tweaks to testing

Resync pip and conda versions

Built for Python 3.11

Update codebase to work with Python 3.10

- Minor fix to deal with changes in neweer scipy.
- Fix problem when decomposing data if the original data maximum negative value is bigger than maximum positive value

Maintenance release for 0.10.4. Fixes compatibility with matplotlib 3.5, improves date parsing

**Full Changelog**: https://github.com/stonerlab/Stoner-PythonCode/compare/v0.10.3...v0.10.4