comment/add some test exclusions in PyPy
comment/add some test exclusions in PyPy

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