Pass pyx_library kwargs to py_library
Pass pyx_library kwargs to py_library

Ensure extra arguments, like visibility, can still be applied to pyx_libraries.
scoder/cython,scoder/cython,scoder/cython,cython/cython,da-woods/cython,cython/cython,da-woods/cython,da-woods/cython,da-woods/cython,scoder/cython,cython/cython,cython/cython