Implemented Stream Commands#2

Closed

itschaindev wants to merge 5 commits intohubert-marteau:masterfrom

itschaindev:streamcommands

Commits on Apr 24, 2017

grant create permission added. Create stream command working and tested.
Jagrut Kosti
committed

Commits on Apr 25, 2017

Added the Stream object and wrote the formatter for it. createfrom and liststreams command implemented
Jagrut Kosti
committed
publish and publishfrom command implemented
Jagrut Kosti
committed
subscribe and unsubscribe command implemented
Jagrut Kosti
committed

Commits on Apr 26, 2017

Finished implementing all stream commands
Jagrut Kosti
committed