Add new DebugSleep() cmd

Author: mythz

src/ServiceStack.Redis/Commands.cs

@@ -40,6 +40,7 @@ public static class Commands
         public readonly static byte[] Rewrite = "REWRITE".ToUtf8Bytes();
         public readonly static byte[] Time = "TIME".ToUtf8Bytes();
         public readonly static byte[] Segfault = "SEGFAULT".ToUtf8Bytes();
+        public readonly static byte[] Sleep = "SLEEP".ToUtf8Bytes();
         public readonly static byte[] Dump = "DUMP".ToUtf8Bytes();
         public readonly static byte[] Restore = "RESTORE".ToUtf8Bytes();
         public readonly static byte[] Migrate = "MIGRATE".ToUtf8Bytes();

src/ServiceStack.Redis/RedisNativeClient.cs

@@ -317,10 +317,15 @@ public byte[][] Time()
 			return SendExpectMultiData(Commands.Time);
 		}
 
-    	public void DebugSegfault()
-    	{
-			SendExpectSuccess(Commands.Debug, Commands.Segfault);
-		}
+        public void DebugSegfault()
+        {
+            SendExpectSuccess(Commands.Debug, Commands.Segfault);
+        }
+
+        public void DebugSleep(double durationSecs)
+        {
+            SendExpectSuccess(Commands.Debug, Commands.Sleep, durationSecs.ToUtf8Bytes());
+        }
 
     	public byte[] Dump(string key)
 		{