Merge remote-tracking branch 'upstream/flint-2.4' into trunk
Use %wd and %wu in fq*
Use WORD and UWORD
Use gmp.h instead of mpir.h
Change long to slong
Run flint_cleanup() at end of test functions
Merge remote-tracking branch 'mhansen/trunk' into trunk

Conflicts:
	fmpz/test/t-out_inp_raw.c
Lots and lots of FLINT_TEST_INIT fixes.
Fixed bug on 32 bits.