Disable "fast_gil" support in Py3<3.6 since Py3<3.5.2 lacks _PyThreadState_UncheckedGet() and crashes when calling PyThreadState_GET() without a thread state.
Disable "fast_gil" support in Py3<3.6 since Py3<3.5.2 lacks _PyThreadState_UncheckedGet() and crashes when calling PyThreadState_GET() without a thread state.

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