clean up package description in setup.py a little and fix indentation
clean up package description in setup.py a little and fix indentation

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