OP now returns 'occupancy' as a float - this accommodates late pore filling - also plays nice with labels vs props methods
OP now returns 'occupancy' as a float
- this accommodates late pore filling
- also plays nice with labels vs props methods


Former-commit-id: 911c1a516bfcb6ca61824f096dcb2ea64501b0ed
Former-commit-id: a2f4fc4bad0ac7e23702cd460749a6775cb7a193
amdouglas/OpenPNM,TomTranter/OpenPNM,amdouglas/OpenPNM,PMEAL/OpenPNM,stadelmanma/OpenPNM