update whenjs to 2.7.0
update whenjs to 2.7.0

Dynalon/autobahn-js,tavendo/AutobahnJS,Dynalon/autobahn-ts,tavendo/AutobahnJS,mykwillis/wamp-tessel,SpirentOrion/AutobahnJS,cantidio/autobahn-js,oberstet/autobahn-js,Dynalon/autobahn-js,cantidio/autobahn-js,Dynalon/autobahn-js,goeddea/autobahn-js,goeddea/autobahn-js,bigmeech/AutobahnJS,oberstet/autobahn-js,oberstet/autobahn-js,tavendo/AutobahnJS,crossbario/autobahn-js,Dynalon/autobahn-ts,Dynalon/autobahn-js,bigmeech/AutobahnJS,Dynalon/autobahn-ts,crossbario/autobahn-js,crossbario/autobahn-js,bigmeech/AutobahnJS,oberstet/autobahn-js,svvac/AutobahnJS,svvac/AutobahnJS,goeddea/autobahn-js,svvac/AutobahnJS,SpirentOrion/AutobahnJS,cantidio/autobahn-js,Dynalon/autobahn-ts,crossbario/autobahn-js