0.3.15 - Fix problems with locks

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

0.3.14 - Add support for setting pin codes on locks

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

0.3.13 - Improvements in handling comms failures

Merge pull request #148 from pavoni/handle_comms_failure_better

Handle comms failure better

0.3.12

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

0.3.11

Leave brightness unchanged when switching on and off a dimmer.

0.3.10

Default response encoding to utf-8 if the device does not provide one.

0.3.9

Fixing bug that appeared with the latest firmware 1.7.4970 (7.31).

0.3.8

Adds ability to override subscription registry polling.