Fix intermittent crash do to use of `isNew` from outside the managed object context queue
Fix intermittent crash do to use of `isNew` from outside the managed object context queue

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