fixed the APItest directory : especially the fortran code didn't
work with the latest gfortran, seems ok now (for now?)

sync latest perl

although if you run the same system many times, with the same stardata
and preferences, it will be ~80% faster.

In reality: stardata changes for each system, so don't bother.
But I'll leave the code in there just in case it's useful to you;

char of each arg, allowing a much faster (~20% of the old runtime) lookup

configure now sets LD explicitly to force the compiler
to do the linking of the shared library

be of type size_t

timers was broken unless on an intel-compatible CPU, now we use the standard timer functions where rdtsc ticks are not available

fixed formatting of size_t and other types

added "pragma once" to the version header file (made by configure)

updated README, CHANGES

fixed some macro names

update mega/mebi bytes

fixed ints to Star_numbers where appropriate

disable avx on generic

allow drand on generic

update QUICKSTART to order the cleanall

update check compilers script : works now on all the compilers I have installed (clang-3.7 clang-3.8.0 clang-3.8.1 clang-6.0 clang-7 clang-8 gcc-4.8 gcc-7 gcc-8 gcc-9)

put preprocessor macros in to remove miniz from the build tree : it seeems not to be used any more