Started to try and organize all the authentication code.

SecureCore/Authentication/SessionManager.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace SecureCore.Authentication
+{
+    public class SessionManager
+    {
+        public static string CreateSessionToken()
+        {
+            var token = new byte[Settings.SessionKeySize];
+
+            ByteGenerator.GetRandomBytes(ref token);
+
+            return Convert.ToBase64String(token);
+        }
+    }
+}