add docstrings for new generator properties
add docstrings for new generator properties

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