fix: some warnings in libfac
cosmetics: p_DegW
Merge pull request #293 from mmklee/fix_sw_warnings

fix: some warnings in libfac
More tests
chg: only external interface to links is links/silink.h
add: new lib: classify_aeq.lib
fix: kill of map after minpoly was set
fix: map needs to be set again
fix: bad old code removed
fix: updated res file for ncfactor_tsai_l
Minimal failing test over ZZ with option prot
Merge pull request #294 from jankoboehm/spielwiese

Minimal failing test over ZZ with option prot
Merge pull request #296 from mmklee/Long_sw

Long sw
fix: -Wunused-variable warnings
fix: -Wunused-parameter warnings
fix: -Wunused-but-set-variable warnings