Merge pull request mpmath#951 from skirpichev/gmp-backend

Add python-gmp as optional backend (gmpy2 alternative)

Merge pull request mpmath#873 from skirpichev/misc

Misc fixes

Merge pull request mpmath#769 from skirpichev/v1.4.0a1

v1.4.0a1

Merge pull request mpmath#694 from skirpichev/use-setuptools_scm

Use setuptools_scm to update __version__

version 1.3.0

version 1.2.1

Merge pull request mpmath#568 from skirpichev/pypi-uploads

Automate PyPI uploads

version 1.2.0