Fixed bug in removeAlias that it wouldn't clear the frozen set.

plugins/Alias.py

@@ -206,6 +206,7 @@ class Alias(callbacks.Privmsg):
         if hasattr(self, name) and self.isCommand(name):
             if evenIfFrozen or name not in self.frozen:
                 delattr(self.__class__, name)
+                self.frozen.discard(name)
             else:
                 raise AliasError, 'That alias is frozen.'
         else:

test/test_Alias.py

@@ -108,6 +108,7 @@ class AliasTestCase(PluginTestCase, PluginDocumentation):
         self.assertResponse('foobar', 'sbbone')
         self.assertRaises(Alias.AliasError, cb.removeAlias, 'foobar')
         cb.removeAlias('foobar', evenIfFrozen=True)
+        self.failIf('foobar' in cb.frozen)
         self.assertNoResponse('foobar', 2)
 
     def testOptionalArgs(self):