Fix #91 - in some rare corner cases, for *-streaming closing might have triggered null exception
Fix #91 - in some rare corner cases, for *-streaming closing might have triggered null exception

Basically, when the close frame went above the data-per-straming connection limit.

sockjs/sockjs-node,modulexcite/sockjs-node,modulexcite/sockjs-node,sockjs/sockjs-node