A new room should be created as an object instead of an array since the id/true is set as a key value pair. Not an array element.
Merge pull request #8 from tencircles/master

Do not set key/value pairs on arrays
Add autoprunning of empty rooms
Style
Merge pull request #10 from rase-/patch-1

Add autoprunning of empty rooms - rebased
Fix room autopruning
Make the room exists when autopruning.
Merge pull request #12 from rase-/fix/room-autopruning

Fix room autopruning
Merged.