v0.2.0, 2013-11-28 -- Remove dependency on deprecated SysExtension.
v0.1.9, 2013-11-27 -- Make WordPress installer use a temporary directory for
                      initial extraction of zip file; use sh to get an unzip
                      command
v0.1.8, 2013-11-22 -- Fix __init__ when installation is not yet initialised;
                      add add_uri() method to Drush class
v0.1.7, 2013-11-22 -- Fix setting variable when variable is new;
                      automatically handle multi-site installations
v0.1.6, 2013-11-21 -- Update Drupal version in utility
v0.1.5, 2013-11-21 -- Conflict caused old variant to be uploaded, merged 1.3
                      and 1.4
v0.1.4, 2013-11-21 -- Answer yes to vset when variable is new
v0.1.3, 2013-11-20 -- Update default Drupal version to 7.24, add dis()
                      (disable module) method to Drush class
v0.1.0, 2013-11-14 -- Initial release.
