Convert Magento ext. in reusable lib

Exclusive to anyshop provider, but read on anyway. Cong developed an open source extension for Magento to connect it to our web-to-print and image generation back end. The code can be found here: [login to view URL] This project is in continuation of [login to view URL] All re-usable parts in relation to our API need to be extracted into a separate re-usable library (functional) + addition of order status change API. Magento code needs to be changed to accommodate the new library. The library will be used by other implementations, including the coming OpenX project and some other systems. The requirements are not final and may be adjusted as we go along.