fix more compiler complaints

Clients/PsnClient/PsnClient.cs

@@ -258,7 +258,7 @@ namespace PsnClient
             catch (Exception e)
             {
                 ConsoleLogger.PrintError(e, response);
-                throw e;
+                throw;
             }
         }
 

Tests/Properties/GlobalSuppressions.cs

@@ -0,0 +1,8 @@
+using System.Diagnostics.CodeAnalysis;
+
+// This file is used by Code Analysis to maintain SuppressMessage 
+// attributes that are applied to this project.
+// Project-level suppressions either have no target or are given 
+// a specific target and scoped to a namespace, type, member, etc.
+
+[assembly: SuppressMessage("Style", "VSTHRD200:Use \"Async\" suffix for async methods", Justification = "Test names are special")]