PJ: fix typo in progids include guard.
PJ: delete serial number code.
PJ: sluff memory info.
PJ: delete memask.c.
PJ: delete sintab.c.
PJ: delete sqrroot.c.
PJ: remove circ_get_next and circ_get_prev.
PJ: remove get_tail.
PJ: remove isin_list.
PJ: remove countf and vcountf.
PJ: remove init_ftextfarg.
PJ: remove sftextf and vsftextf.
PJ: remove iabs; use intabs instead.
PJ: remove imax; use intmax instead.
PJ: remove calc_sieve.
PJ: sluff print_alloclist.
PJ: add CMake file for util.
PJ: fix prototypes.
PJ: delete redundant prototypes for trd_laskmem and trd_freemem.
PJ: add replacement ultoa.