-Changed error/warning message handling in /GasData
-added Vacuum medium
Added Vacuum medium
-reorganized flags so that they can be set on instantiation instead of globally in the BrineProp package
-flags are in package PartialFlags, which is extended by all Media
-moved cp functions to .SpecificEnthalpies
-moved end slash in directory definition to code where it is used to avoid failing attempt to create directory
-added ignore switches
-fixed Bug in VBA h5_pT