Merge branch 'release-0.2.0'
Merge branch 'release-0.2.0'
Merge branch 'release-0.2.0'
Implemented a database upgrade mechanism to handle future changes.  Also make sure that the Queue table is in UTF-8.
Updated the version number on the wp-semantria.php file.
Put a check in to prevent the plugin accidentally ruining someone's data set by changing the collation to UTF-8.
Updated the changelog for 0.2.4 and the Tested up to version.
Merge branch 'master' into release-0.2.0