Mvmlib

* Shift dependancy of `DOELib` from `pyDOE` to `pyDOE2` which offers better Latin Hypercude Sampling and control over random seed
* Add save/load utilities for the `DOELib` `Design` class to allow for better archival or DOE samples

Python >= 3.8 compatibility fix

* Minor bug and error fixes (for comptability with Python 3.10)

**Full Changelog**: https://github.com/sed-group/mvmlib/compare/v0.5.7...v0.5.8

* Add ability for the designer to manually allocate margins for each margin node
* Ability to configure different root-finding algorithms for ``compute_absorption()`` (and their parameters)
**Full Changelog**: https://github.com/sed-group/mvmlib/compare/v0.5.6...v0.5.7

Add ability for the designer to manually allocate margins
**Full Changelog**: https://github.com/sed-group/mvmlib/compare/v0.5.5...v0.5.6

- Includes inverse surrogate modeling
- Isolated surrogate modeling
- Two modes for calculating impact on performance (unified and independent)
- Fixes and debugging
- Updated documentation

**Full Changelog**: https://github.com/sed-group/mvmlib/compare/v0.5.3...v0.5.5