Merge pull request #207 from Hipo/release-3.7.0

Update version to 3.7.0

Merge pull request #202 from hartungstenio/psycopg3

Merge pull request #206 from Hipo/update-package-repositories-before-install

Update package repositories before install

refactor: cleanup compat.py

tests: make tests compatible with both psycopg2 and 3

tests: specify in assertion the support for psycopg 3

refactor: move postgres_fields definition to compat.py

chore: remove psycopg from requirements_dev.txt

fix: mimic psycopg/postgres behaviour of excluding infinity

chore: add compatibility with Psycopg 3

refactor: move psycopg2 imports to compat.py

Merge pull request #205 from Hipo/release-3.6.0

Update the version to be able to push it to pypi