update issues_change_detector from pbot-ng, change unknown ip6 2001:ba8:1f1:f216::5 to ::1, ignore bot_settings.sh, fix description on hack_of_all_hacks

hack_of_all_hacks

@@ -289,7 +289,7 @@ function l33t_codes
 
 	    "${my_own_name}: tell "+([![:space:]])":"+([[:space:]])+([![:space:]])* )
                 # The line will be something such as:
-                # hyperbot: tell user: you suck
+                # hyperbot: tell user: hi
                 process="${sentence##${my_own_name}: tell }"
 	        subject="${process%%:*}"
                 message="${process#*:}"