Applied patch from Scott Penrose to handle issues with NSNull values mapped to Core Data properties. closes #436
Applied patch from Scott Penrose to handle issues with NSNull values mapped to Core Data properties. closes #436

Added RKLogWarning for aiding in further debugging. So far unable to trap this in a unit test, but have had
several complaints about the issue on the mailing list.

justinyaoqi/RestKit,loverbabyz/RestKit,Papercloud/RestKit,zaichang/RestKit,damiannz/RestKit,djz-code/RestKit,lmirosevic/RestKit,ChinaPicture/RestKit,Juraldinio/RestKit,Flutterbee/RestKit,caamorales/RestKit,DejaMi/RestKit,jrtaal/RestKit,zhenlove/RestKit,justinyaoqi/RestKit,fhchina/RestKit,timbodeit/RestKit,wyzzarz/RestKit,Livestream/RestKit,Juraldinio/RestKit,gumdal/RestKit,fedegasp/RestKit,dx285/RestKit,sachin-khard/NucRestKit,goldstar/RestKit,zilaiyedaren/RestKit,common2015/RestKit,Meihualu/RestKit,Livestream/RestKit,djz-code/RestKit,taptaptap/RestKit,braindata/RestKit-1,ppierson/RestKit,jrtaal/RestKit,moneytree/RestKit,mumer92/RestKit,mikarun/RestKit,sachin-khard/NucRestKit,timbodeit/RestKit,oye-lionel/GithubTest,dx285/RestKit,jrtaal/RestKit,sandyway/RestKit,common2015/RestKit,damiannz/RestKit,ChinaPicture/RestKit,mberube09/RestKit,HYPERHYPER/RestKit2,sachin-khard/NucleusRestKit,adozenlines/RestKit,ppierson/RestKit,timbodeit/RestKit,gank0326/restkit,baumatron/RestKit,fhchina/RestKit,0x73/RestKit,oligriffiths/RestKit,CenterDevice/RestKit,money-alex2006hw/RestKit,justinyaoqi/RestKit,ipmobiletech/RestKit,sachin-khard/NucleusRestKit,Papercloud/RestKit,baumatron/RestKit,QLGu/RestKit,agworld/RestKit,RyanCodes/RestKit,CenterDevice/RestKit,zjh171/RestKit,nalindz/pulpfiction-RestKit,CenterDevice/RestKit,LiuShulong/RestKit,RyanCodes/RestKit,oye-lionel/GithubTest,hejunbinlan/RestKit,braindata/RestKit,pbogdanv/RestKit,zilaiyedaren/RestKit,lucasecf/RestKit,wangjiangwen/RestKit,coderChrisLee/RestKit,TwinEngineLabs-Engineering/RestKit-TEL,justinyaoqi/RestKit,DejaMi/RestKit,aleufms/RestKit,StasanTelnov/RestKit,sachin-khard/NucRestKit,REXLabsInc/RestKit,paperlesspost/RestKit,imton/RestKit,samanalysis/RestKit,canaydogan/RestKit,PonderProducts/RestKit,pat2man/RestKit,canaydogan/RestKit,hanangellove/RestKit,oligriffiths/RestKit,cryptojuice/RestKit,adozenlines/RestKit,fedegasp/RestKit,DocuSignDev/RestKit,Meihualu/RestKit,samanalysis/RestKit,moritzh/RestKit,0x73/RestKit,coderChrisLee/RestKit,sachin-khard/NucRestKit,apontador/RestKit,mikarun/RestKit,margarina/RestKit-latest,mumer92/RestKit,samkrishna/RestKit,antondarki/RestKit,wuxsoft/RestKit,erichedstrom/RestKit,hanangellove/RestKit,ipmobiletech/RestKit,damiannz/RestKit,pat2man/RestKit,fedegasp/RestKit,adozenlines/RestKit,mumer92/RestKit,oligriffiths/RestKit,gumdal/RestKit,jonesgithub/RestKit,ppierson/RestKit,caamorales/RestKit,antondarki/RestKit,zhenlove/RestKit,damiannz/RestKit,HYPERHYPER/RestKit2,vilinskiy-playdayteam/RestKit,DocuSignDev/RestKit,RestKit/RestKit,DejaMi/RestKit,kevmeyer/RestKit,loverbabyz/RestKit,margarina/RestKit-latest,gank0326/restkit,lmirosevic/RestKit,adozenlines/RestKit,qingsong-xu/RestKit,gauravstomar/RestKit,jrtaal/RestKit,nett55/RestKit,common2015/RestKit,wyzzarz/RestKit,hejunbinlan/RestKit,fhchina/RestKit,samanalysis/RestKit,samanalysis/RestKit,apontador/RestKit,TwinEngineLabs-Engineering/RestKit-TEL,oye-lionel/GithubTest,thomaschristensen/RestKit,aleufms/RestKit,nphkh/RestKit,zilaiyedaren/RestKit,jonesgithub/RestKit,lmirosevic/RestKit,zaichang/RestKit,Livestream/RestKit,qingsong-xu/RestKit,kevmeyer/RestKit,PonderProducts/RestKit,nphkh/RestKit,moritzh/RestKit,margarina/RestKit-latest,CenterDevice/RestKit,youssman/RestKit,hejunbinlan/RestKit,jonesgithub/RestKit,wangjiangwen/RestKit,CodewareTechnology/RestKit,coderChrisLee/RestKit,thomaschristensen/RestKit,mikarun/RestKit,adozenlines/RestKit,pbogdanv/RestKit,fedegasp/RestKit,StasanTelnov/RestKit,antondarki/RestKit,wireitcollege/RestKit,coderChrisLee/RestKit,vilinskiy-playdayteam/RestKit,TheFarm/RestKit,gauravstomar/RestKit,erichedstrom/RestKit,wuxsoft/RestKit,HYPERHYPER/RestKit2,cfis/RestKit,mikarun/RestKit,goldstar/RestKit,nphkh/RestKit,naqi/RestKit,QLGu/RestKit,aleufms/RestKit,caamorales/RestKit,ppierson/RestKit,Juraldinio/RestKit,nett55/RestKit,zjh171/RestKit,concreteinteractive/RestKit,kevmeyer/RestKit,moritzh/RestKit,timbodeit/RestKit,zjh171/RestKit,Gaantz/RestKit,taptaptap/RestKit,braindata/RestKit,jrtaal/RestKit,money-alex2006hw/RestKit,ppierson/RestKit,vilinskiy-playdayteam/RestKit,naqi/RestKit,imton/RestKit,Gaantz/RestKit,forcedotcom/RestKit,gank0326/restkit,jonesgithub/RestKit,REXLabsInc/RestKit,baumatron/RestKit,Juraldinio/RestKit,zjh171/RestKit,QLGu/RestKit,RestKit/RestKit,oligriffiths/RestKit,Bogon/RestKit,oligriffiths/RestKit,zjh171/RestKit,DejaMi/RestKit,Bogon/RestKit,goldstar/RestKit,TwinEngineLabs-Engineering/RestKit-TEL,percysnoodle/RestKit,mberube09/RestKit,RyanCodes/RestKit,lucasecf/RestKit,SuPair/RestKit,StasanTelnov/RestKit,ipmobiletech/RestKit,wireitcollege/RestKit,HarrisLee/RestKit,0dayZh/RestKit,LiuShulong/RestKit,oye-lionel/GithubTest,nphkh/RestKit,ChinaPicture/RestKit,TwinEngineLabs-Engineering/RestKit-TEL,nalindz/pulpfiction-RestKit,qingsong-xu/RestKit,percysnoodle/RestKit,cnbin/RestKit,0x73/RestKit,wangjiangwen/RestKit,0dayZh/RestKit,paperlesspost/RestKit,RyanCodes/RestKit,ForrestAlfred/RestKit,PonderProducts/RestKit,nett55/RestKit,nphkh/RestKit,qingsong-xu/RestKit,ipmobiletech/RestKit,sandyway/RestKit,apontador/RestKit,youssman/RestKit,Bogon/RestKit,cnbin/RestKit,gumdal/RestKit,zaichang/RestKit,aleufms/RestKit,Flutterbee/RestKit,baumatron/RestKit,DocuSignDev/RestKit,money-alex2006hw/RestKit,moneytree/RestKit,vilinskiy-playdayteam/RestKit,REXLabsInc/RestKit,mavericksunny/RestKit,Flutterbee/RestKit,braindata/RestKit,wuxsoft/RestKit,Flutterbee/RestKit,jonesgithub/RestKit,0x73/RestKit,CodewareTechnology/RestKit,wyzzarz/RestKit,TheFarm/RestKit,CodewareTechnology/RestKit,youssman/RestKit,loverbabyz/RestKit,dx285/RestKit,cfis/RestKit,hanangellove/RestKit,wuxsoft/RestKit,erichedstrom/RestKit,baumatron/RestKit,pbogdanv/RestKit,ipmobiletech/RestKit,taptaptap/RestKit,braindata/RestKit-1,timbodeit/RestKit,forcedotcom/RestKit,zhenlove/RestKit,oye-lionel/GithubTest,braindata/RestKit,CodewareTechnology/RestKit,0dayZh/RestKit,RestKit/RestKit,margarina/RestKit-latest,percysnoodle/RestKit,cryptojuice/RestKit,qingsong-xu/RestKit,Bogon/RestKit,canaydogan/RestKit,sachin-khard/NucRestKit,nett55/RestKit,Juraldinio/RestKit,wyzzarz/RestKit,imton/RestKit,CodewareTechnology/RestKit,TheFarm/RestKit,HarrisLee/RestKit,justinyaoqi/RestKit,mumer92/RestKit,hanangellove/RestKit,gauravstomar/RestKit,zhenlove/RestKit,dx285/RestKit,concreteinteractive/RestKit,ChinaPicture/RestKit,dx285/RestKit,orta/RestKit,Gaantz/RestKit,0x73/RestKit,fhchina/RestKit,concreteinteractive/RestKit,taptaptap/RestKit,djz-code/RestKit,thomaschristensen/RestKit,paperlesspost/RestKit,REXLabsInc/RestKit,money-alex2006hw/RestKit,fedegasp/RestKit,zilaiyedaren/RestKit,imton/RestKit,Bogon/RestKit,sandyway/RestKit,loverbabyz/RestKit,Meihualu/RestKit,apontador/RestKit,nalindz/pulpfiction-RestKit,samkrishna/RestKit,hanangellove/RestKit,moritzh/RestKit,imton/RestKit,nett55/RestKit,concreteinteractive/RestKit,LiuShulong/RestKit,hejunbinlan/RestKit,money-alex2006hw/RestKit,pbogdanv/RestKit,hejunbinlan/RestKit,forcedotcom/RestKit,gank0326/restkit,kevmeyer/RestKit,ForrestAlfred/RestKit,mcfedr/RestKit,agworld/RestKit,cfis/RestKit,Gaantz/RestKit,pat2man/RestKit,ForrestAlfred/RestKit,canaydogan/RestKit,wuxsoft/RestKit,braindata/RestKit-1,HYPERHYPER/RestKit2,youssman/RestKit,SuPair/RestKit,mavericksunny/RestKit,HarrisLee/RestKit,common2015/RestKit,mberube09/RestKit,lmirosevic/RestKit,forcedotcom/RestKit,sachin-khard/NucleusRestKit,zhenlove/RestKit,Meihualu/RestKit,apontador/RestKit,wireitcollege/RestKit,lucasecf/RestKit,antondarki/RestKit,canaydogan/RestKit,djz-code/RestKit,cnbin/RestKit,sachin-khard/NucleusRestKit,gank0326/restkit,gauravstomar/RestKit,sachin-khard/NucleusRestKit,wireitcollege/RestKit,sandyway/RestKit,Meihualu/RestKit,ForrestAlfred/RestKit,SuPair/RestKit,RyanCodes/RestKit,naqi/RestKit,pbogdanv/RestKit,mberube09/RestKit,pat2man/RestKit,mcfedr/RestKit,antondarki/RestKit,aleufms/RestKit,coderChrisLee/RestKit,samanalysis/RestKit,caamorales/RestKit,cryptojuice/RestKit,HYPERHYPER/RestKit2,fhchina/RestKit,agworld/RestKit,cryptojuice/RestKit,mikarun/RestKit,lucasecf/RestKit,damiannz/RestKit,cnbin/RestKit,HarrisLee/RestKit,cryptojuice/RestKit,SuPair/RestKit,lucasecf/RestKit,lmirosevic/RestKit,Papercloud/RestKit,QLGu/RestKit,agworld/RestKit,loverbabyz/RestKit,wireitcollege/RestKit,wangjiangwen/RestKit,concreteinteractive/RestKit,LiuShulong/RestKit,Livestream/RestKit,moritzh/RestKit,HarrisLee/RestKit,mavericksunny/RestKit,PonderProducts/RestKit,nalindz/pulpfiction-RestKit,orta/RestKit,gauravstomar/RestKit,Gaantz/RestKit,paperlesspost/RestKit,SuPair/RestKit,pat2man/RestKit,DejaMi/RestKit,QLGu/RestKit,TwinEngineLabs-Engineering/RestKit-TEL,0dayZh/RestKit,zaichang/RestKit,naqi/RestKit,zilaiyedaren/RestKit,thomaschristensen/RestKit,moneytree/RestKit,ForrestAlfred/RestKit,percysnoodle/RestKit,Papercloud/RestKit,kevmeyer/RestKit,youssman/RestKit,common2015/RestKit,ChinaPicture/RestKit,samkrishna/RestKit,Papercloud/RestKit,wangjiangwen/RestKit,goldstar/RestKit,moneytree/RestKit,braindata/RestKit-1,braindata/RestKit-1,sandyway/RestKit,mumer92/RestKit,mavericksunny/RestKit,moneytree/RestKit,LiuShulong/RestKit,caamorales/RestKit,cnbin/RestKit