Change order of validate signature, so the nilable param comes last
Make the ContractFactory pluggable
Support newest WebMock (w/ Addressable::Template support)
Refactoring WebMock to be a better 'Adapter': create PactoRequest/PactoResponse objects w/ which can be adapted (mostly simple delegation to WebMock right now)
Now that WebMockHelper has no WebMock logic, replace it with HTTPMiddleware.
Move all generation logic to generator, integrate as an Observer
Remove behavior from the validation class and remove some of the odd flow
Cleanup a few TODOs/FIXMEs from rake notes
Remove comment on schema