Support multiple (different) return values from procedures

[numeredev]

DESCRIPTION

What does your feature request improve on? Please describe.
The new kernel update now distinguishes between {x,y,z,...} (= one result) and x,y,z,... (=multiple results). Having the possibility to use the second syntax to return multiple different values from procedures would be nice.

Describe the solution you'd like
Enable a syntax allowing for catching multiple different values into a common target, e.g.

{x,y,z} = {1,2,3} ## using VarArray
[A,B,C] = 1,2,3 ## using s.th. like a target vector containing VarArrays

Additional context
Add any other context or screenshots about the feature request here.

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DEVS' SECTION

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