Merge pull request #88 from gskudder/pyup-update-wcwidth-0.1.8-to-0.1.9

Update wcwidth to 0.1.9

Merge pull request #88 from gskudder/pyup-update-wcwidth-0.1.8-to-0.1.9

Update wcwidth to 0.1.9

Update HISTORY.rst

Minimum Python version upped to 3.6.

Update HISTORY.rst

Bugfix issue with mappings.

Fix requirements with security issues.

Merge pull request #46 from gskudder/fix-model-field

Bugfix for SiteConfiguration model login_type field.

Merge pull request #8 from gskudder/pyup-update-virtualenv-16.7.5-to-…

…16.7.6

Update virtualenv to 16.7.6

Update HISTORY.rst.