It looks like starting with Version 2.0.0, you no longer replace content for a various things. What was the reasoning for this change?
if( !is_admin() ){
add_filter('the_content',array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'style_loader_src', array($wpawscdn,'wpaws_cdn_content') ,PHP_INT_MAX);
add_filter( 'script_loader_src', array($wpawscdn,'wpaws_cdn_content') ,PHP_INT_MAX);
add_filter( 'woocommerce_product_get_image', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_thumb_url', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_url', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_link', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter('render_block',array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_image', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_image_attributes', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_image_srcset', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_get_attachment_thumb_file', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'post_thumbnail_html', array($wpawscdn,'wpaws_cdn_content') ,PHP_INT_MAX);
add_filter( 'widget_text', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'post_gallery', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
add_filter( 'wp_calculate_image_srcset', array($wpawscdn,'wpaws_cdn_content'),PHP_INT_MAX);
}