Re-do the eval plugin - permit only bot owners.

plugins/eval.rb

@@ -1,15 +1,14 @@
 include EventMachine::IRC::Commands
 
 Client.register_trigger("PRIVMSG") { |msg|
+    if Config[:eval][:owners].include?(msg[:prefix]) then
         message = msg[:params][1]
         destination = msg[:params][0]
         if message[0..5] == ":eval " then
-        prog = message[6..-1]
-        puts "will try to eval: #{prog}"
+            code = message[6..-1]
             begin
                 retval = proc {
-                $SAFE = 4
-                eval(prog)
+                    eval(code)
                 }.call
 
                 Client.privmsg(destination, String.try_convert(retval.to_s))
@@ -19,4 +18,5 @@ Client.register_trigger("PRIVMSG") { |msg|
                 puts e.backtrace
             end
         end
+    end
 }