cmake/modules/FindCYTHON.cmake: Add a mechanism for finding Cython.
cmake/modules/FindCYTHON.cmake: Add a mechanism for finding Cython.

DudLab/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter