Update docs on boundscheck.
Update docs on boundscheck.

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