fix integer overflow in processValue on 32-bit machines
fix integer overflow in processValue on 32-bit machines

erasche/jbrowse,GreggHelt2/apollo-test,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse,GMOD/jbrowse,SuLab/jbrowse,SuLab/jbrowse,SuLab/jbrowse,nathandunn/jbrowse,Arabidopsis-Information-Portal/jbrowse,Arabidopsis-Information-Portal/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,nathandunn/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,GMOD/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,nathandunn/jbrowse,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,limeng12/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,Arabidopsis-Information-Portal/jbrowse,GreggHelt2/apollo-test,GreggHelt2/apollo-test,erasche/jbrowse,GreggHelt2/apollo-test,GMOD/jbrowse,erasche/jbrowse,erasche/jbrowse,GreggHelt2/apollo-test,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,GreggHelt2/apollo-test,SuLab/jbrowse,SuLab/jbrowse,Arabidopsis-Information-Portal/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,erasche/jbrowse,GreggHelt2/apollo-test,igemsoftware/Shenzhen_BGIC_0101_2013,SuLab/jbrowse,limeng12/jbrowse,limeng12/jbrowse,GMOD/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,SuLab/jbrowse