Update README.md
Update README.md
Merge branch 'master' into develop
Fix the bug with contributors
Fix the superclass of Associated bundle
Fix the superclass of Affine symmetry
Fix the superclass of Permutation group
Bump to 1.12.1 version
Merge branch 'release-1.12.1'
Merge branch 'master' of github.com:CLLKazan/OntoMathPro