GitLab upgrade completed. Current version is 17.11.6.
orwl with gcc 4.4 detected an aliasing bug
synchronized with ORWL
improve portability
synchronize the better feature test capabilities with ORWL
a collection of minor improvements
add vector extensions
synchronize with bugfix in P99
use p99_getopt also in orwl tutorials
synchronize ORWL and P99 for the LIFO code