small change to FileIO to allow FileFormat argument to be passed through
small change to FileIO to allow FileFormat argument to be passed through


ljwolf/pysal_core,spreg-git/pysal,sjsrey/pysal_core,sjsrey/pysal_core,ljwolf/pysal_core,lanselin/pysal,pedrovma/pysal,lixun910/pysal,nathania/pysal,TaylorOshan/pysal,pastephens/pysal,ljwolf/pysal,chhao91/pysal,sjsrey/pysal_core,TaylorOshan/pysal,pysal/pysal,sjsrey/pysal,nathania/pysal,jlaura/pysal,spreg-git/pysal,darribas/pysal,jlaura/pysal,hasecbinusr/pysal,weikang9009/pysal,ljwolf/pysal,lixun910/pysal,badjr/pysal,TaylorOshan/pysal,schmidtc/pysal,dfolch/pysal,pastephens/pysal,schmidtc/pysal,darribas/pysal,jlaura/pysal,lixun910/pysal,badjr/pysal,hasecbinusr/pysal,hasecbinusr/pysal,chhao91/pysal,ljwolf/pysal_core,ljwolf/pysal,pastephens/pysal,dfolch/pysal