chg: allow digits in package names (during auto-load)
fix: run mod_init in the package of the library
chg: use syzComp in initenterstrongPairs
chg: normalize extgcd to lc=1
more tests for tr 501 (std/syz for modules over qring with ring-coeff)
chg: adjust timeouts in ssiClose()
(cherry picked from commit be2fdf57a6b3208d836335e6863aaa10834d6629)

Signed-off-by: Andreas Steenpass <steenpass@mathematik.uni-kl.de>
Merge pull request #427 from steenpass/sigkill_sw

chg: adjust timeouts in ssiClose()
fix: assign expr_list to list elements: l[1]=1:2;l[1]=l[1],2;
format stuff
chg: better error check and debug stuff for newstruct/blackbox
fix: assign of derived newstructs
fix: compiler warning
Fix for Cygwin: cast to pointer from integer of different size
Merge pull request #428 from jankoboehm/spielwiese

Fix for Cygwin: cast to pointer from integer of different size
chg: simplified npNegM
chg: use imagemagick instead of xv for display

from master
chg: r_IsRingVar (extensions may not be singular rings, but uuse coeffs interface)
chg: factory/libfac is not optional, removing HAVE_FACTORY/HAVE_LIBFAC
fix: gcc optimizer bug: need local number variable
flint stuff: move optional parts to the end in coeffs