set the awaitData flag on the cursor, so it doesn't return immediately if there's no data; fixes #49 (see also https://github.com/christkv/mongodb-core/issues/87)
set the awaitData flag on the cursor, so it doesn't return immediately if there's no data; fixes #49 (see also https://github.com/christkv/mongodb-core/issues/87)

scttnlsn/mubsub,Faleij/mubsub