Fix for CPMutableDictionary not existing.
Fix for CPMutableDictionary not existing.

Closes #13.

Reviewed by me.

rgv151/cappuccino,daboe01/cappuccino,akshell/cappuccino,jarib/cappuccino,rgv151/cappuccino,Rosch/cappuccino,primalmotion/cappuccino,wangshijin/cappuccino,eventualbuddha/cappuccino,krodelin/cappuccino,280north/cappuccino,dgvivero/CappCoreData,kidaa/cappuccino,FrankReh/cappuccino,daboe01/cappuccino,tancred/cappuccino,cappuccino/cappuccino,FrankReh/cappuccino,cacaodev/cappuccino,jarib/cappuccino,daboe01/cappuccino,deltaprojects/cappuccino,rgv151/cappuccino,dgvivero/CappCoreData,tancred/cappuccino,cacaodev/cappuccino,primalmotion/cappuccino,tancred/cappuccino,enquora/cappuccino,tolmasky/cappuccino,wangshijin/cappuccino,zittix/cappuccino,dgvivero/CappCoreData,Rosch/cappuccino,akshell/cappuccino,AlexanderMazaletskiy/cappuccino,280north/cappuccino,enquora/cappuccino,deltaprojects/cappuccino,cacaodev/cappuccino,Dogild/cappuccino,Rosch/cappuccino,dgvivero/CappCoreData,daboe01/cappuccino,zittix/cappuccino,AlexanderMazaletskiy/cappuccino,tolmasky/cappuccino,rgv151/cappuccino,FrankReh/cappuccino,akshell/cappuccino,cappuccino/cappuccino,krodelin/cappuccino,wangshijin/cappuccino,deltaprojects/cappuccino,AlexanderMazaletskiy/cappuccino,280north/cappuccino,Dogild/cappuccino,Rosch/cappuccino,primalmotion/cappuccino,rgv151/cappuccino,kidaa/cappuccino,krodelin/cappuccino,enquora/cappuccino,Rosch/cappuccino,cacaodev/cappuccino,koamac/Cappuccino,akshell/cappuccino,zittix/cappuccino,cappuccino/cappuccino,mrcarlberg/cappuccino,deltaprojects/cappuccino,AlexanderMazaletskiy/cappuccino,cappuccino/cappuccino,Rosch/cappuccino,FrankReh/cappuccino,Dogild/cappuccino,zittix/cappuccino,mrcarlberg/cappuccino,zittix/cappuccino,FrankReh/cappuccino,rgv151/cappuccino,Dogild/cappuccino,mrcarlberg/cappuccino,primalmotion/cappuccino,kidaa/cappuccino,kidaa/cappuccino,AlexanderMazaletskiy/cappuccino,cappuccino/cappuccino,rgv151/cappuccino,wangshijin/cappuccino,krodelin/cappuccino,jiangshen/cappuccino,mrcarlberg/cappuccino,koamac/Cappuccino,wangshijin/cappuccino,deltaprojects/cappuccino,eventualbuddha/cappuccino,enquora/cappuccino,zittix/cappuccino,tancred/cappuccino,cacaodev/cappuccino,primalmotion/cappuccino,tolmasky/cappuccino,deltaprojects/cappuccino,mrcarlberg/cappuccino,dgvivero/CappCoreData,Dogild/cappuccino,enquora/cappuccino,wangshijin/cappuccino,zittix/cappuccino,280north/cappuccino,FrankReh/cappuccino,Rosch/cappuccino,mrcarlberg/cappuccino,tancred/cappuccino,tolmasky/cappuccino,Dogild/cappuccino,jiangshen/cappuccino,tolmasky/cappuccino,mrcarlberg/cappuccino,daboe01/cappuccino,eventualbuddha/cappuccino,koamac/Cappuccino,koamac/Cappuccino,FrankReh/cappuccino,cacaodev/cappuccino,AlexanderMazaletskiy/cappuccino,krodelin/cappuccino,daboe01/cappuccino,280north/cappuccino,enquora/cappuccino,kidaa/cappuccino,tancred/cappuccino,primalmotion/cappuccino,daboe01/cappuccino,FrankReh/cappuccino,cacaodev/cappuccino,koamac/Cappuccino,krodelin/cappuccino,eventualbuddha/cappuccino,cappuccino/cappuccino,primalmotion/cappuccino,koamac/Cappuccino,Dogild/cappuccino,deltaprojects/cappuccino,enquora/cappuccino,krodelin/cappuccino,kidaa/cappuccino,cappuccino/cappuccino,mrcarlberg/cappuccino