Function ins and outs are now Array-like objects, so that you can refer to an input/ouput by its index ins[0] OR its name ins.sig1 (they refer to the same object). However, array-like behavior is still retained, e.g. ins.forEach, ins.length.
How it works example:
https://github.com/dice-cyfronet/hyperflow/blob/develop/test/funcarg.js
Related commits: