We are now busy to make SEO header tags SEO working:
-> Added cache option
-> Added missing code for pseudo pages in admin
-> Added missing type cast for $languages_id and moved meta tag in includes/header_tags.php (found by member RusNN)
-> Added missing code for canonical tag in the test function
-> Added code to display invalid page messages with the message stack instead of at the top of the page
-> Added option in test section to dynamically check a page to see if it is working
-> Added option in test section to check for invalid filenames
-> Added option in test section to check for missing pseudo entries
-> Changed code in admin/includes/functions/header_tags.php to prevent conflicts with other contributions
-> Changed code in admin/includes/functions/header_tags.php to cast int so it works with php 5.3
-> Changed code in test function so errors for duplicate titles and tags link to the product
-> Changed code in test function to better display language errors
-> Changed code in fill tags so errors for missing values link to the category, manufacturer or product
-> Changed HTML Editor option so one of the three most popular editors can be selected
-> Changed code in includes/functions/header_tags.php to prevent implode error when tags are empty
-> Fixed coding mistake in includes/boxes/header_tags.php
-> Fixed coding mistake where the canonical meta setting wasn't handled correctly
-> Fixed canonical code so that meta tag works correctly
-> Fixed coding mistake in test function that failed to show items with missing names, titles or tags
-> Fixed mistakes in the install and uninstall database files
