Fixed gather() function.  Used two iterations; first to build the gathered _to_range map and the second to build the gathered _to_domain map. Compiles and executes on Linux.  Needs to be verified on Windows.
Fixed gather() function.  Used two iterations; first to build the gathered _to_range map and the second to build the gathered _to_domain map.
Compiles and executes on Linux.  Needs to be verified on Windows.

LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem