Squashed '+netsrv/' content from commit 98d1d99

git-subtree-dir: +netsrv
git-subtree-split: 98d1d99f26787de949854defac9e3de505e741c2
Merge commit '9046ba41139d32ab3a50d127849ced0d7dd0aec0' as '+netsrv'
Squashed '+netsrv/' changes from 98d1d99..f366eb6

f366eb6 Added a script for unit testing
7a3465f Added error message when MEX files need to be compiled

git-subtree-dir: +netsrv
git-subtree-split: f366eb669da0403114d732e3b3e07e123a9041a3
Updated netsrv to latest version

Merge commit 'ca243a134de537cc7ba49a0fd731b56eed05c927'
Bugfix in hlp_serialize
Initial commit