Throwing an error is to invasive for 0.11.x, and also one needs to be able to subclass/access attributes of builtin types before we get rid of the declaration altogether.

--HG--
rename : tests/bugs/missing_self_in_cpdef_method_T165.pyx => tests/errors/missing_self_in_cpdef_method_T165.pyx

--HG--
rename : tests/bugs/rangeOptimization_T203.pyx => tests/run/range_optimisation_T203.pyx