removed 'builtin_functions' dict: broke referring to 'unicode' function by name
removed 'builtin_functions' dict: broke referring to 'unicode' function by name

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