Elasticipy

The main changes of this release are:

- a Graphical User Interface (GUI) to plot the engineering constants
- even simpler ways to define crystal's symmetries
- new material's symmetry:
- orthotropic
- transverse-isotropic

**Full Changelog**: https://github.com/DorianDepriester/Elasticipy/compare/v2.2.0...v2.3.0

New features

- compute and plot wave velocities
- finer control on pole figure

**Full Changelog**: https://github.com/DorianDepriester/Elasticipy/compare/v2.1.6...v2.2.0

This release mainly consists in bug fixing the wrong Reuss average when using a finite set of rotations

**Full Changelog**: https://github.com/DorianDepriester/Elasticipy/compare/v2.1.5...v2.1.6

It is now possible to plot SphericalFunctions and HyperSphericalFunctions as a Pole Figure.

**Full Changelog**: https://github.com/DorianDepriester/Elasticipy/compare/2.0.0...2.1.0