small fix for error

Merge pull request #10 from eavanvalkenburg/beta

fix for error about abstract classes and methods.

small fix for setup error

Small fix for a setup error that appears to have become an issue with .103 of HA.

Fix for issue #5

For some reason the sensor didn't update its state, while it did before, fixed that.

new release after major rewrite

Merge pull request #4 from eavanvalkenburg/beta

Major rewrite of the component

initial versioned release

First versioned release, moving to that to make sure small dev edits can be tested but not immediately rolled out.