Create children of the receiver. Answer a Dictionary of the children.
Each element of array is an Array including: a string which becomes
the Dictionary's key, a binding like #{Blox.BWindow} identifying the
class name, an array with the parameters to be set (for example
#(#width: 50 #height: 30 #backgroundColor: 'blue')), and afterwards
the children of the widget, described as arrays with this same format.
make: array on: result
Private - Create children of the receiver, adding them to result;
answer result. array has the format described in the comment to #make:
makeChild: each on: result
Private - Create a child of the receiver, adding them to result;
each is a single element of the array described in the comment to #make: