fix: ring constructions with wrong coeffs (tr.517)
chg: res changes: ring construction (tr.517)
port: freebsd needs uint64_t in rlimit.c
fix: avoid int overflow in rlimit.c
(cherry picked from commit 6ace3051babf6d4083ff3aabc1f7e6885356e220)

Signed-off-by: Andreas Steenpass <steenpass@mathematik.uni-kl.de>
Merge pull request #421 from steenpass/rlimit_sw

fix: avoid int overflow in rlimit.c
fix: module std in qring over ring coeffs (tr.501)

from master
tests for tr.501
chg: do not release semaphore 0 while waiting for links
(cherry picked from commit 2a070c518144f438f8eefc065884effa6406572f)

Signed-off-by: Andreas Steenpass <steenpass@mathematik.uni-kl.de>
Merge pull request #423 from steenpass/init_sem0_sw

chg: do not release semaphore 0 while waiting for links
debian: dir for p_Proc*so for deb
fix: syntax in m2_end
fix: avoid setting comp if not neeeded (maybe a ring without comps)
fix: typo
add: better error message (ring from list)
chg: format of error message
fix: extgcd(x,x) fails with NTL: try without
chg: allow l[i].j

from master
chg: tests changed (newstruct stuff)
fix: newstruct, '.', etc.

from master
pfister: modstd over algebraic extension fields