Update travis config to point to Cython at 3ab487f105e4cc9dc7b7e3844cd80078bc534cc4.
Update travis config to point to Cython at 3ab487f105e4cc9dc7b7e3844cd80078bc534cc4.
cython-testbed/pandas,cython-testbed/pandas,cython-testbed/pandas,cython-testbed/pandas,cython-testbed/pandas