ondrolexa/apsg: APSG 0.6.0 release

What's new in this release

• Stress always gives eigenvalues sorted
• Stress I1, I2, I3 properties for invariants implemented
• Stress mean_stress property implemented
• Stress hydrostatic and deviatoric properties implemented
• precision added to settings to control numerical comparisons
• figsize added to settings to control figure size across APSG
• Animation examples fixed
• rand class method implemented for Fol, Lin, Vec3 and Pair to generate random instance
• Group to_csv and from_csv improved
• SDB tags method works properly for multiple tags
• SDB can modify database metadata
• QGIS 3 plugin ReadSDB compatibility