fixing ids for shapefiles, attach user provided ID if provided
fixing ids for shapefiles, attach user provided ID if provided

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