NETC-28 Fix for dropped port number when nonstandard port number is specified in serverName URL. 
NETC-28
Fix for dropped port number when nonstandard port number is specified in
serverName URL. 


MetSystem/dotnet-cas-client,johanv/dotnet-cas-client,tcalvert/dotnet-cas-client,apereo/dotnet-cas-client,apereo/dotnet-cas-client,Jasig/dotnet-cas-client