pform dump class methods.
Remove svector template from port handling.
Mark class method pforms with their pform class.
Handle this as special identifier strings. / Organize pform class member binding
Elaborate class task and function methods.

The parse of class methods already works, this patch forms
the methods into their own scopes, and elaborates those scopes.
The "this"
Class methods down to the code generator

Emit the elaborated class methods. Also generate root scopes to
represent the classes in order to hold the methods. These scopes
can also in the future be used to implement static properties.
Elaborate task methods as tasks with this arguments.

Generate the code to treat "this" as a hidden argument and have
elaborate assign to that argument.
Elaborate function methods' this argument.
vvp code generation for class methods in class scope.
Allow objects to work in automatic functions.
Support member functions with arguments.