Update README.md

Added Features:

[-] Scan Support for Mongo,CouchDB and Redis
[-] Dictionary Attack Support for Mongo,Cocuh and Redis
[-] Enumeration Module added for the DB's,retrieves data in db's @ one shot.
[-] Currently Discover's Web Interface for Mongo
[-] Dump and Copy Database features Added for CouchDB 

Future Releases

[-] Added Scan and Enumerate Support for Cassandra,H-Base and other DB's
[-] Shodan Query Feature
[-] Dump and Clone for Mongo and Redis
[-] Web Interface attack and Fuzz Platform