Pyvera

What's Changed
* Fix build, make python 3.8 the minimal version (due to dependencies) by maximvelichko in https://github.com/maximvelichko/pyvera/pull/157
* Bump wheel from 0.33.6 to 0.38.1 by dependabot in https://github.com/maximvelichko/pyvera/pull/158
* Fix license classifier by joostlek in https://github.com/maximvelichko/pyvera/pull/164
* VeraThermostat adapts to two setpoints thermostats by maximvelichko in https://github.com/maximvelichko/pyvera/pull/159

New Contributors
* dependabot made their first contribution in https://github.com/maximvelichko/pyvera/pull/158
* joostlek made their first contribution in https://github.com/maximvelichko/pyvera/pull/164

**Full Changelog**: https://github.com/maximvelichko/pyvera/compare/0.3.15...0.3.16

Fixes problems with the `SetPin` vera call used to set a new pin.

Fix the "Problem parsing pin code string too many values to unpack (expected 4)"
Add support for setting new pin in the door lock

Don't return a comm failure if Vera doesn't populate the status field.

Leave brightness unchanged when switching on and off a dimmer.