does vtable method - does_pmc too?

[Jonathan Worthington]

Hi,

We have for testing isa relationships both:
INTVAL isa_pmc(PMC* lookup)
INTVAL isa(STRING* _class)

However for the does test, we have just:

INTVAL does(STRING* method)

I'm thinking we should have a does_pmc variant too? Also, I'm not sure 
why the name of the string taken there is method, since does tests for 
what roles are done, and can is for testing if a certain method is 
supported.

Thanks,

Jonathan