FarNet 5.0.39 PSF 5.0.57 - NuGet and new API help

git-svn-id: http://farnet.googlecode.com/svn/trunk@772 adbc6c76-2828-0410-9a29-2134f03e8e62
m

git-svn-id: http://farnet.googlecode.com/svn/trunk@773 adbc6c76-2828-0410-9a29-2134f03e8e62