code: function sendMessage( oWs, sCommand, jsonMessage )
  {
  	if ( ! oWs )
  	{
  		console.log( `${ __filename } :: call sendMessage with invalid oWs.` );
  		return false;
  	}
  	if ( oWs.OPEN !== oWs.readyState )
  	{
  		console.log( `${ __filename } :: readyState=${ oWs.readyState } on peer ${ oWs.peer }, will not send message ['${ sCommand }',${ JSON.stringify( jsonMessage ) }]` );
  		return false;
  	}
  	if ( 'string' !== typeof sCommand )
  	{
  		console.log( `${ __filename } :: call sendMessage with invalid sCommand.` );
  		return false;
  	}
  	if ( 'object' !== typeof jsonMessage )
  	{
  		console.log( `${ __filename } :: call sendMessage with invalid jsonMessage.` );
  		return false;
  	}
  
  	let sContent	= JSON.stringify( [ sCommand, jsonMessage ] );
  
  	console.log( `SENDING ${ sContent } to ${ oWs.peer }` );
  	oWs.send( sContent );
  
  	//	...
  	return true;
  }
docs: send message
  
  @public
  @param	{object}	oWs
  @param	{string}	sCommand
  @param	{object}	jsonMessage
  @return {boolean}