Features
* added customisable schema + query manager class ([9860830](https://github.com/giuppep/flask-pg-session/commit/98608302594306e77e91ce3a7bedb83eeed9ca15))
* make all attrs configurable via flask config ([e6ecaab](https://github.com/giuppep/flask-pg-session/commit/e6ecaabbf3ffc3168cde478903fc09b56fa29a2c))
* modify public interface to match standard flask extension initialisation pattern ([64f6497](https://github.com/giuppep/flask-pg-session/commit/64f6497fa17e3e53aa7ef31d691705e7f052b97d))
Bug Fixes
* incorrect types ([040180b](https://github.com/giuppep/flask-pg-session/commit/040180b97e4c2c88baee34ffdd73cef1822ef154))
* release permissions ([e3eed11](https://github.com/giuppep/flask-pg-session/commit/e3eed11de54078417df23cafbc5b12073d03c98e))
* timezone info was causing incorrect expiry values in db ([c4edeec](https://github.com/giuppep/flask-pg-session/commit/c4edeecd8595d424f366654df48fe407304490f4))
Documentation
* add sphinx documentation ([4d21711](https://github.com/giuppep/flask-pg-session/commit/4d21711b59a494d99d4c9e6f7c4ad82a2e27c893))
* update readme ([56d1a65](https://github.com/giuppep/flask-pg-session/commit/56d1a659d8edc71210c8216fa4a8526a1fe79fbf))