Fix for issue#78 and other related items in multistream support.
Fix for issue#78 and other related items in multistream support.

ash24mish/easyrtc,logoff/easyrtc,thiagocarreno/easyrtc,Hocalwire/easyrtc,bradparks/easyrtc,priologic/easyrtc,udayshankar3/nodeapp,ash24mish/easyrtc,Sylaps/easyrtc,hthetiot/easyrtc,Hocalwire/easyrtc,udayshankar3/nodeapp,cristiancvanega/easyrtc,cristiancvanega/easyrtc,nmai/easyrtc,priologic/easyrtc,hthetiot/easyrtc,ash24mish/easyrtc,bgawande/easyrtc,hthetiot/easyrtc,logoff/easyrtc,nmai/easyrtc,bgawande/easyrtc,cristiancvanega/easyrtc,charlesAtNctu/easyrtc,nmai/easyrtc,Hocalwire/easyrtc,mauricionr/easyrtc,priologic/easyrtc,charlesAtNctu/easyrtc,Sylaps/easyrtc,ash24mish/easyrtc,thiagocarreno/easyrtc,charlesAtNctu/easyrtc,bradparks/easyrtc,Sylaps/easyrtc,logoff/easyrtc,priologic/easyrtc,mauricionr/easyrtc,thiagocarreno/easyrtc,mauricionr/easyrtc,Hocalwire/easyrtc,bgawande/easyrtc,bradparks/easyrtc