Added a new version of IP, called IP2.  This version allows for sequential calling of the run method with the number of throats to fill as an argument.  This was designed to be called inside a while loop allowing for other calculations to be done on each loop (and therefore filling state).
Added a new version of IP, called IP2.  This version allows for sequential calling of the run method with the number of throats to fill as an argument.  This was designed to be called inside a while loop allowing for other calculations to be done on each loop (and therefore filling state).

amdouglas/OpenPNM,PMEAL/OpenPNM,stadelmanma/OpenPNM,TomTranter/OpenPNM,amdouglas/OpenPNM