- updating docs for new api in interation.py
- updating docs for new api in interation.py

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