Squashed '+netsrv/' changes from f366eb6..0315585

0315585 Added support for serialising "classsimple" functions
e247b17 Bugfix in hlp_serialize

git-subtree-dir: +netsrv
git-subtree-split: 0315585684306e6de5ad2d800362ede0dfde4407
Updated netsrv