handy.h: Define some locale macros for all inputs

handy.h: Define some locale macros for all inputs

Prior to this commit, if you called these macros with something outside
the Latin1 range, the return value was not defined, subject to the whims
of your particular C compiler and library.  This commit causes all the
boolean macros to return FALSE for non-Latin1 inputs; and all the map
macros to return their inputs