don't trip over empty lines

Features.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Net;
 using System.Text;
 using System.Threading;
@@ -130,6 +131,10 @@ namespace silverworker_discord
         public static async void Joke(SocketUserMessage message)
         {
             var jokes = File.ReadAllLines("jokes.txt");
+            jokes = jokes.Where(l => !string.IsNullOrWhiteSpace(l))?.ToArray();
+            if(jokes?.Length == 0){
+                await message.Channel.SendMessageAsync("I don't know any. Adam!");
+            }
             var thisJoke = jokes[r.Next(jokes.Length)];
             if (thisJoke.Contains("?") && !thisJoke.EndsWith('?'))
             {

Program.cs

@@ -34,6 +34,7 @@ namespace silverworker_discord
         }
         public async Task MainAsync()
         {
+            #if !DEBUG
             Process[] processes = Process.GetProcesses();
             Process currentProc = Process.GetCurrentProcess();
             Console.WriteLine("Current proccess: {0}", currentProc.ProcessName);
@@ -41,10 +42,11 @@ namespace silverworker_discord
             {
                 if (currentProc.ProcessName == process.ProcessName && currentProc.Id != process.Id)
                 {
-                    Console.Error.WriteLine($"{DateTime.Now} - Another instance of this process is already running: {process.Id}");
+                    Console.Error.WriteLine($"{DateTime.Now} - Another instance of this process is already running: {process.Id} (I'm {currentProc.Id})");
                     return;
                 }
             }
+            #endif
 
             _client = new DiscordSocketClient();