unique_ptr & shared_ptr: Added missing bool operator!()
unique_ptr & shared_ptr: Added missing bool operator!()

fabianrost84/cython,JelleZijlstra/cython,acrispin/cython,mrGeen/cython,fabianrost84/cython,acrispin/cython,ChristopherHogan/cython,mcanthony/cython,hhsprings/cython,da-woods/cython,JelleZijlstra/cython,acrispin/cython,acrispin/cython,cython/cython,fabianrost84/cython,da-woods/cython,scoder/cython,fperez/cython,hickford/cython,hickford/cython,fperez/cython,JelleZijlstra/cython,mrGeen/cython,c-blake/cython,c-blake/cython,hickford/cython,JelleZijlstra/cython,da-woods/cython,c-blake/cython,JelleZijlstra/cython,da-woods/cython,hickford/cython,hhsprings/cython,mcanthony/cython,fperez/cython,mcanthony/cython,ChristopherHogan/cython,cython/cython,mrGeen/cython,ChristopherHogan/cython,fabianrost84/cython,hhsprings/cython,hhsprings/cython,mrGeen/cython,hickford/cython,fperez/cython,cython/cython,hhsprings/cython,fabianrost84/cython,c-blake/cython,acrispin/cython,cython/cython,mcanthony/cython,scoder/cython,mrGeen/cython,scoder/cython,scoder/cython,mcanthony/cython,c-blake/cython,fperez/cython