Complitly Rewrite REQUEST_COMMAND to follow documentation
[request_command)](http://www.orientechnologies.com/docs/2.0/orientdb.wiki/Network-Binary-Protocol.html#request_command)
[Network Binary Protocol Commands](http://www.orientechnologies.com/docs/2.0/orientdb.wiki/Network-Binary-Protocol-Commands.html)

For now have a problem with Gremlin Test should ask help from Luca
Test cleanup mismatch position of actual and expected parameters