Sublime Text 2 re-order tab

Default (OSX).sublime-keymap

[
  { "keys": ["ctrl+super+left"], "command": "move_tab", "args": {"mod": -1} },
  { "keys": ["ctrl+super+right"], "command": "move_tab", "args": {"mod": 1} }
]

move_tab.py

#http://www.sublimetext.com/forum/viewtopic.php?f=2&t=5897
import sublime_plugin

class MoveTab(sublime_plugin.TextCommand):
    def run(self, edit, mod):
        view   = self.view
        window = view.window()
        group_index, tab_index = window.get_view_index(view)
        view.window().set_view_index(view, group_index, 
            (tab_index + int(mod)) % len (
                view.window().views_in_group(group_index)) )