Release/v3.2.0 (auth0#186)

Release v3.1.0 (auth0#154)

* Release 3.1.0

* update orb version to latest

* Fix tests

* reinstated to_hash on session auth params

tag v3.0.0

Release 2.6.0 (auth0#125)

tag v2.5.0

tag v2.4.2

tag v2.4.1

Bump omniauth-auth0 to 2.4.0 (auth0#108)

tag v2.3.1

Merge pull request auth0#95 from auth0/davidpatrick-patch-1

Update Gemfile.lock