fix and clean up compressed source file caching
fix and clean up compressed source file caching

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