VMM/common: Improve search_address complexity Checking the dictionary (a hash) for existence of a key is likely to be O(log(n)), while checking a list is O(n). Therefore, to increase performance, this patch changes the check accordingly.

.. |curr_vers_rel_date| replace:: The most current version of vmm is 0.6.0,
 released on 28 June 2012.
.. |rel_hist| replace:: Older releases are listed in the :doc:`release_history`.