I find a room create bug

[eator]

When I wanted to create room to test, I used some student ids as room id, and I joined the room on the other peer. But I find the bug when I using '2051314' as room id, the peer which joined the room can't find the room. When using other ids like '2051313' or '2051315', the peer joined successfully.
I use the webrtc.createRoom() (like the index.html repository's test directory) and print the arguments. Here is the result: