Simplified definition and internals of class Index. Breaks read/write from previous library versions since UUID no longer saved in IndexDat.
Removed unused hams.h.
Added some comments and cleaned up qn.h.
Improved definition of Arrow enum. Less reliance on conversion to int, e.g. when multiplying with QN. Removed faulty Switch enum value and added Arrow direction Neither.
Updated INSTALL file to clarify what the PLATFORM variable does.