Fix cpp exception catching.
Fix cpp exception catching.

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