removed caching for subexpr attributes as it can break tree manipulation
removed caching for subexpr attributes as it can break tree manipulation

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