BUG: hash bunching should operate on sorted items.
BUG: hash bunching should operate on sorted items.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@718 ead46cd0-7350-4e37-8683-fc4c6f79bf00

dgellis90/nipype,christianbrodbeck/nipype,JohnGriffiths/nipype,mick-d/nipype,pearsonlab/nipype,mick-d/nipype,iglpdc/nipype,FCP-INDI/nipype,rameshvs/nipype,carlohamalainen/nipype,arokem/nipype,blakedewey/nipype,christianbrodbeck/nipype,dmordom/nipype,FredLoney/nipype,pearsonlab/nipype,mick-d/nipype_source,carolFrohlich/nipype,satra/NiPypeold,blakedewey/nipype,mick-d/nipype,gerddie/nipype,glatard/nipype,mick-d/nipype,fprados/nipype,carlohamalainen/nipype,wanderine/nipype,JohnGriffiths/nipype,sgiavasis/nipype,Leoniela/nipype,carolFrohlich/nipype,satra/NiPypeold,rameshvs/nipype,carolFrohlich/nipype,pearsonlab/nipype,carolFrohlich/nipype,iglpdc/nipype,dmordom/nipype,grlee77/nipype,glatard/nipype,gerddie/nipype,FredLoney/nipype,fprados/nipype,FCP-INDI/nipype,JohnGriffiths/nipype,grlee77/nipype,arokem/nipype,wanderine/nipype,Leoniela/nipype,dgellis90/nipype,FredLoney/nipype,rameshvs/nipype,wanderine/nipype,iglpdc/nipype,fprados/nipype,blakedewey/nipype,Leoniela/nipype,grlee77/nipype,mick-d/nipype_source,JohnGriffiths/nipype,glatard/nipype,dmordom/nipype,glatard/nipype,blakedewey/nipype,sgiavasis/nipype,sgiavasis/nipype,arokem/nipype,sgiavasis/nipype,carlohamalainen/nipype,gerddie/nipype,iglpdc/nipype,grlee77/nipype,arokem/nipype,FCP-INDI/nipype,dgellis90/nipype,FCP-INDI/nipype,wanderine/nipype,pearsonlab/nipype,gerddie/nipype,mick-d/nipype_source,dgellis90/nipype,rameshvs/nipype