5 * Added timeout support
11 * onFailure callback receives a second parameter containing an error message.
12 * Added 'charset' configuration option for inserted nodes. Default is utf-8.
13 * Added 'insertBefore' configuration to specify a node or node id to insert before.
14 This can be used to position CSS nodes before any overriding styles.
17 * autopurge no longer attempts to remove nodes that have been
19 * Fixed Safari 2.x external script insert.