add random arg to chatlog api endpoint

EmperorPalpatine/HTTPServer.cs

@@ -111,6 +111,8 @@ public class HTTPServer
         }
         if (context.Request.Query.ContainsKey("regex"))
             q.Regex = context.Request.Query["regex"];
+        if (context.Request.Query.ContainsKey("random") && context.Request.Query["random"] == "1")
+            q.Random = true;
         if (q.Username == null && q.FromTimestamp == null && q.ToTimestamp == null && q.Count == null &&
             q.Regex == null)
             q.Count = 10;