Release 0.6.6
- Bugfix: Issue `#4 <https://github.com/katyukha/openerp-proxy/issues/4>`__
- Bugfix: double call to _get_registered_objects, caused be cleaning caches,
on assess to any service first time
- module_utils plugin fixes mostly related to __dir__ method (used for auto-complete in IPython)
- added ``stdcall`` decorators to ``upgrade`` and ``install`` methods of 'ir.module.module' object
- Bugfix in ``__dir__`` implementation for plugin object
- added ``installed_modules`` property to ``module_utils`` plugin
- better tests for this plugin