Remove unsupported bit operations on Double

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fix #dnu implementation to not include self in the arg array

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Update to latest core-lib

- some cleanup/optimizations
- #dnu tests

Signed-off-by: Stefan Marr <git@stefan-marr.de>