chg: dev: Increment minor version and update CHANGELOG.rst. !minor

Merge pull request #54 from ValiMail/issue/44

chg: user: Default to strict DANE record authentication.

chg: dev: Increment minor version, update CHANGELOG.rst. !minor

chg: dev: Increment minor version, update CHANGELOG.rst. !minor

chg: dev: Increment minor version, update CHANGELOG.rst. !minor

chg: dev: v0.7 !minor

chg: dev: Update CHANGELOG.rst, increment minor version. !minor

chg: doc: Increment version, update CHANGELOG.rst. !minor

chg: dev: Increment version, update CHANGELOG.rst. !minor

chg: doc: Update CHANGELOG.rst. !minor