0.29.7 (2019-04-14)

Bugs fixed

• Crash when the shared Cython config module gets unloaded and another Cythonmodule reports an exceptions. Cython now makes sure it keeps an owned referenceto the module.(Github issue #2885)
• Resolved a C89 compilation problem when enabling the fast-gil sharing feature.
• Coverage reporting did not include the signature line of cdef functions.(Github issue #1461)
• Casting a GIL-requiring function into a nogil function now issues a warning.(Github issue #2879)
• Generators and coroutines were missing their return type annotation.(Github issue #2884)