Merge pull request #2 from bcoles/patch-2

Update model.rb - Throw 'UnknownDnsResourceError'

extensions/dns/model.rb

@@ -25,7 +25,7 @@ module BeEF
             begin
               validate_pattern(rule.pattern)
               rule.callback = format_callback(rule.resource, rule.response)
-            rescue InvalidDnsPatternError, InvalidDnsResourceError, InvalidDnsResponseError => e
+            rescue InvalidDnsPatternError, UnknownDnsResourceError, InvalidDnsResponseError => e
               print_error e.message
               throw :halt
             end