revert to using codecs.open() for output files instead of io.open() as the latter cannot write str objects in text mode under Py2 (and we erroneously do that in some spots)
revert to using codecs.open() for output files instead of io.open() as the latter cannot write str objects in text mode under Py2 (and we erroneously do that in some spots)

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