fix ref-counting for recursive closures: outer scope ref is initialised exactly once on creation and decref-cleared only by scope cleanup (i.e. the inner closure owns the parent reference)
fix ref-counting for recursive closures:
outer scope ref is initialised exactly once on creation and decref-cleared only by scope cleanup (i.e. the inner closure owns the parent reference)

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