- close acceptor on exit.
Merge pull request #71 from oroulet/master

Implement KeepAlive thread in high level client class and some better guarding in binary_server
Merge pull request #72 from mdcb-gmt/master

close acceptor on exit
allow string nodeid as argument to GetNode
fix demo client node path
fix browse -> return results for several queries when we are asked for it...
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
Merge pull request #73 from mdcb-gmt/master

fix demo client node path
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
small cleanup output