add missing null parameter checks
add missing null parameter checks

EIrwin/Nancy,davidallyoung/Nancy,charleypeng/Nancy,sloncho/Nancy,ccellar/Nancy,guodf/Nancy,ayoung/Nancy,MetSystem/Nancy,horsdal/Nancy,charleypeng/Nancy,AcklenAvenue/Nancy,jeff-pang/Nancy,jmptrader/Nancy,NancyFx/Nancy,jongleur1983/Nancy,dbabox/Nancy,jongleur1983/Nancy,fly19890211/Nancy,SaveTrees/Nancy,NancyFx/Nancy,SaveTrees/Nancy,VQComms/Nancy,malikdiarra/Nancy,rudygt/Nancy,rudygt/Nancy,joebuschmann/Nancy,AcklenAvenue/Nancy,VQComms/Nancy,ccellar/Nancy,VQComms/Nancy,hitesh97/Nancy,grumpydev/Nancy,danbarua/Nancy,thecodejunkie/Nancy,duszekmestre/Nancy,nicklv/Nancy,vladlopes/Nancy,malikdiarra/Nancy,sroylance/Nancy,sroylance/Nancy,ccellar/Nancy,ayoung/Nancy,danbarua/Nancy,davidallyoung/Nancy,rudygt/Nancy,MetSystem/Nancy,horsdal/Nancy,grumpydev/Nancy,phillip-haydon/Nancy,davidallyoung/Nancy,jchannon/Nancy,albertjan/Nancy,thecodejunkie/Nancy,wtilton/Nancy,duszekmestre/Nancy,guodf/Nancy,wtilton/Nancy,tsdl2013/Nancy,albertjan/Nancy,khellang/Nancy,AIexandr/Nancy,nicklv/Nancy,albertjan/Nancy,tareq-s/Nancy,davidallyoung/Nancy,duszekmestre/Nancy,jchannon/Nancy,asbjornu/Nancy,jonathanfoster/Nancy,VQComms/Nancy,NancyFx/Nancy,phillip-haydon/Nancy,anton-gogolev/Nancy,blairconrad/Nancy,tareq-s/Nancy,felipeleusin/Nancy,NancyFx/Nancy,sloncho/Nancy,felipeleusin/Nancy,ayoung/Nancy,fly19890211/Nancy,charleypeng/Nancy,fly19890211/Nancy,murador/Nancy,jeff-pang/Nancy,sroylance/Nancy,sadiqhirani/Nancy,JoeStead/Nancy,xt0rted/Nancy,dbolkensteyn/Nancy,anton-gogolev/Nancy,thecodejunkie/Nancy,MetSystem/Nancy,SaveTrees/Nancy,jonathanfoster/Nancy,sadiqhirani/Nancy,MetSystem/Nancy,damianh/Nancy,JoeStead/Nancy,xt0rted/Nancy,hitesh97/Nancy,guodf/Nancy,vladlopes/Nancy,hitesh97/Nancy,vladlopes/Nancy,danbarua/Nancy,AlexPuiu/Nancy,EIrwin/Nancy,tareq-s/Nancy,blairconrad/Nancy,asbjornu/Nancy,jchannon/Nancy,khellang/Nancy,jchannon/Nancy,daniellor/Nancy,tsdl2013/Nancy,AIexandr/Nancy,EliotJones/NancyTest,VQComms/Nancy,charleypeng/Nancy,grumpydev/Nancy,AIexandr/Nancy,ccellar/Nancy,dbabox/Nancy,albertjan/Nancy,dbolkensteyn/Nancy,murador/Nancy,murador/Nancy,asbjornu/Nancy,hitesh97/Nancy,SaveTrees/Nancy,AIexandr/Nancy,phillip-haydon/Nancy,vladlopes/Nancy,charleypeng/Nancy,daniellor/Nancy,wtilton/Nancy,davidallyoung/Nancy,horsdal/Nancy,nicklv/Nancy,duszekmestre/Nancy,jchannon/Nancy,xt0rted/Nancy,EliotJones/NancyTest,dbabox/Nancy,jongleur1983/Nancy,AcklenAvenue/Nancy,EIrwin/Nancy,sroylance/Nancy,jmptrader/Nancy,tsdl2013/Nancy,felipeleusin/Nancy,EIrwin/Nancy,anton-gogolev/Nancy,sadiqhirani/Nancy,asbjornu/Nancy,jongleur1983/Nancy,dbolkensteyn/Nancy,rudygt/Nancy,daniellor/Nancy,AlexPuiu/Nancy,xt0rted/Nancy,sloncho/Nancy,tareq-s/Nancy,fly19890211/Nancy,murador/Nancy,blairconrad/Nancy,thecodejunkie/Nancy,asbjornu/Nancy,AlexPuiu/Nancy,sloncho/Nancy,phillip-haydon/Nancy,damianh/Nancy,tsdl2013/Nancy,jmptrader/Nancy,daniellor/Nancy,AcklenAvenue/Nancy,dbabox/Nancy,joebuschmann/Nancy,dbolkensteyn/Nancy,malikdiarra/Nancy,JoeStead/Nancy,EliotJones/NancyTest,blairconrad/Nancy,jonathanfoster/Nancy,joebuschmann/Nancy,wtilton/Nancy,khellang/Nancy,anton-gogolev/Nancy,jeff-pang/Nancy,jonathanfoster/Nancy,joebuschmann/Nancy,guodf/Nancy,AlexPuiu/Nancy,khellang/Nancy,nicklv/Nancy,jeff-pang/Nancy,grumpydev/Nancy,damianh/Nancy,malikdiarra/Nancy,AIexandr/Nancy,JoeStead/Nancy,ayoung/Nancy,felipeleusin/Nancy,EliotJones/NancyTest,sadiqhirani/Nancy,horsdal/Nancy,jmptrader/Nancy,danbarua/Nancy