declare some classes in FlowControl.py final to speed up internal method calls
declare some classes in FlowControl.py final to speed up internal method calls

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