removed +FIELD, +FIELD:, /FIELD, added Forth 2012 +FIELD
#include <stdint.h> for uint64_t with linux
well-formed flag for [DEFINED]
moved SET-INTERPRET-FLOAT to floating-ext.c
fixed QFE.
bumped version to 0.33.73w
tagged PFE 0.33.72w
added QFNEXTUP and QFNEXTDOWN