Release v2.2.2

• Made plugin clear cached data on deactivation
• Syncing can start from the page it left off if somehow interrupted
• Fixed some warnings
• PasslePost model now contains an array of tag groups and tags within these as a new public field
• Performance improvements for implementations that don't include tag groups as custom taxonomies
• Ability to register existing custom taxonomies to be used with Passle Posts' post type
• Fixed issues with failures to write to the internal plugin's cache
• Performance improvements for content syncing. Instead of it done via a single cron job, the plugin will now sync each 100 items batch using a separate cron job.