remove UtilityCodeBase from Code.pxd - no need to "optimise" it since all subclasses are currently Python classes
remove UtilityCodeBase from Code.pxd - no need to "optimise" it since all subclasses are currently Python classes

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