Sort the fuzzy matches

Sort the fuzzy matches alphabetically:
    (.venv)terry@f350:~/python-openstackclient$ os help server
    Command "server" matches:
      server add security group
      server add volume
      server create
      server delete
      server image create
      server list
      server lock
      ...

Change-Id: If6e6b6b31d78fce1f37019d486b15a9a78253c33

.gitignore

@@ -34,3 +34,7 @@ pip-log.txt
 # pbr output
 AUTHORS
 ChangeLog
+
+# Editors
+*~
+.*.swp

cliff/help.py

@@ -67,7 +67,7 @@ class HelpCommand(Command):
                 if not fuzzy_matches:
                     raise
                 self.app.stdout.write('Command "%s" matches:\n' % cmd)
-                for fm in fuzzy_matches:
+                for fm in sorted(fuzzy_matches):
                     self.app.stdout.write('  %s\n' % fm)
                 return
             self.app_args.cmd = search_args

cliff/tests/test_help.py

@@ -47,8 +47,7 @@ def test_list_matching_commands():
         pass
     help_output = stdout.getvalue()
     assert 'Command "t" matches:' in help_output
-    assert 'two' in help_output
-    assert 'three' in help_output
+    assert 'three word command\n  two words\n' in help_output
 
 
 def test_list_matching_commands_no_match():