function _connect(clientId, url) {
        // add new connections
        // TODO: check URL
        _connections[clientId] = true;

        exports.trigger("ConnectionConnect", {
            clientId: clientId,
            url: url
        });
    }
@private
Handles when a connection is made to the live development protocol handler.
Injects the RemoteFunctions script in order to provide highlighting and live DOM editing functionality.
Records the connection's client ID and triggers the "Coonnection.connect" event.
@param {number} clientId
@param {string} url