Fixed bug where external files could not be located in a subfolder.
Fixed bug where external files could not be located in a subfolder.

vikranthc/FSharp.Data.SqlClient,philipcpresley/FSharp.Data.SqlClient,Overlord-Zurg/FSharp.Data.SqlClient,vikranthc/FSharp.Data.SqlClient,Overlord-Zurg/FSharp.Data.SqlClient,philipcpresley/FSharp.Data.SqlClient