A few more Pyrex --> Cython changes.
A few more Pyrex --> Cython changes.

scoder/cython,cython/cython,madjar/cython,hpfem/cython,da-woods/cython,hhsprings/cython,fabianrost84/cython,cython/cython,JelleZijlstra/cython,mcanthony/cython,marscher/cython,andreasvc/cython,ChristopherHogan/cython,andreasvc/cython,JelleZijlstra/cython,roxyboy/cython,mcanthony/cython,roxyboy/cython,acrispin/cython,fabianrost84/cython,roxyboy/cython,fperez/cython,andreasvc/cython,da-woods/cython,c-blake/cython,hickford/cython,acrispin/cython,achernet/cython,slonik-az/cython,slonik-az/cython,roxyboy/cython,ABcDexter/cython,rguillebert/CythonCTypesBackend,rguillebert/CythonCTypesBackend,scoder/cython,hickford/cython,encukou/cython,achernet/cython,JelleZijlstra/cython,larsmans/cython,marscher/cython,hhsprings/cython,fperez/cython,ABcDexter/cython,madjar/cython,hickford/cython,mcanthony/cython,mrGeen/cython,dahebolangkuan/cython,c-blake/cython,mrGeen/cython,encukou/cython,ABcDexter/cython,fperez/cython,JelleZijlstra/cython,encukou/cython,acrispin/cython,hhsprings/cython,marscher/cython,dahebolangkuan/cython,larsmans/cython,ABcDexter/cython,hpfem/cython,ABcDexter/cython,cython/cython,slonik-az/cython,hpfem/cython,bzzzz/cython,mrGeen/cython,mcanthony/cython,scoder/cython,scoder/cython,da-woods/cython,rguillebert/CythonCTypesBackend,dahebolangkuan/cython,hhsprings/cython,bzzzz/cython,larsmans/cython,acrispin/cython,rguillebert/CythonCTypesBackend,c-blake/cython,encukou/cython,ChristopherHogan/cython,roxyboy/cython,c-blake/cython,c-blake/cython,fperez/cython,acrispin/cython,achernet/cython,dahebolangkuan/cython,andreasvc/cython,cython/cython,hickford/cython,larsmans/cython,fabianrost84/cython,madjar/cython,madjar/cython,slonik-az/cython,mcanthony/cython,hpfem/cython,dahebolangkuan/cython,achernet/cython,larsmans/cython,bzzzz/cython,andreasvc/cython,hhsprings/cython,hickford/cython,bzzzz/cython,hpfem/cython,fabianrost84/cython,fabianrost84/cython,marscher/cython,encukou/cython,ChristopherHogan/cython,madjar/cython,achernet/cython,marscher/cython,da-woods/cython,mrGeen/cython,mrGeen/cython,slonik-az/cython,JelleZijlstra/cython,fperez/cython