ProjectiveCylinder: fixes

Fix: phi/theta Coordinate calculation was not updating the cellID
     Create protected functions no taking cellIDs, make public functions update the cellID for the decoder
     Make position update the cellID for the decoder and use the private phi/theta functions

Fix: Change type for thetaBins and phiBins members, they should be integer (at least the setters only allowed int)

Tweaks: Use CellID instead of long64 (same typedef)