add !alias list that displays the existing alias commands. limited utility, really.

modules/Alias.py

@@ -51,6 +51,14 @@ class Alias(Module):
                 if self.config.remove_option(self.__class__.__name__, whats[2]):
                     replystr = 'removed alias ' + whats[2]
                     return self.reply(connection, replypath, replystr)
+            elif whats[0] == '!alias' and whats[1] == 'list':
+                try:
+                    alist = self.config.options(self.__class__.__name__)
+                    self.remove_metaoptions(alist)
+                    alist.sort()
+                    liststr = ', '.join(alist)
+                    return self.reply(connection, replypath, liststr)
+                except NoSectionError: pass
         except NoOptionError: pass
         except NoSectionError: pass