bencevans/node-sonos

<!--- Provide a general summary of the issue in the Title above -->

## Expected Behavior

<!--- Tell us what should happen -->

## Current Behavior

<!--- Tell us what happens instead of the expected behavior -->

## Possible Solution

<!--- Not obligatory, but suggest a fix/reason for the bug, -->

## Sample code or executed example

<!--- Provide a link to a live example, or an unambiguous set of steps to -->
<!--- reproduce this bug. Include code to reproduce, if relevant -->
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## Versions (and Environment)

**Node version**: <!--- What is the version of your node installation -->
**node-sonos version**: <!--- What version of node-sonos is used -->
**OS**: <!--- What OS are you using? -->