allow disabling the ABC registration of the Cython Generator and Coroutine types to support compiling the "abc" module in CPython's stdlib itself
allow disabling the ABC registration of the Cython Generator and Coroutine types to support compiling the "abc" module in CPython's stdlib itself

scoder/cython,cython/cython,cython/cython,scoder/cython,scoder/cython,da-woods/cython,da-woods/cython,cython/cython,scoder/cython,cython/cython,da-woods/cython,da-woods/cython