Document cythonize accepts Extension arguments.
Document cythonize accepts Extension arguments.

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