//Method: GET;
  - Parametes: cmd=[list|check];
  - cmd=list: status:[0-9]=1; return session-list;
  - cmd=check: session-id; return item-count;

  //Method: POST;
  - Parametes: cmd=[list|hello|connect|disconnect|check];
  - cmd=list: status:[0-9]=1; return session-list;
  - cmd=hello: uid,alias,text; return session-id;
  - cmd=connect: session-id; return true|false;
  - cmd=disconnect: session-id; return true|false;
  - cmd=check: session-id; return item-count;