Update autobahn.js
Update autobahn.js

applying a fix which will potentially cause some people to cry and bang their head against the wall while they
can't figure out that the original problem was caused by a version of the Prototype library.

Upgrading Prototype is not always possible, this makes this library compatible with older code.
bigmeech/AutobahnJS,Dynalon/autobahn-js,robertkraig/AutobahnJS,crossbario/autobahn-js,Dynalon/autobahn-js,svvac/AutobahnJS,Dynalon/autobahn-ts,markope/AutobahnJS,tavendo/AutobahnJS,bigmeech/AutobahnJS,SpirentOrion/AutobahnJS,oberstet/autobahn-js,tavendo/AutobahnJS,cantidio/autobahn-js,Dynalon/autobahn-ts,goeddea/autobahn-js,tavendo/AutobahnJS,ewollesen/AutobahnJS,goeddea/autobahn-js,oberstet/autobahn-js,oberstet/autobahn-js,cantidio/autobahn-js,crossbario/autobahn-js,mykwillis/wamp-tessel,Dynalon/autobahn-js,Dynalon/autobahn-ts,goeddea/autobahn-js,Dynalon/autobahn-ts,crossbario/autobahn-js,SpirentOrion/AutobahnJS,oberstet/autobahn-js,Dynalon/autobahn-js,bigmeech/AutobahnJS,svvac/AutobahnJS,cantidio/autobahn-js,miracle2k/AutobahnJS,svvac/AutobahnJS,crossbario/autobahn-js