Now use CMS_MODULE.is_initialized: BOOLEAN as precondition of many routines. Instantiation of node storage is now done in NODE_MODULE and not any more in CMS_NODE_API. CMS_NODE_API can be instantiated only by NODE_MODULE.
Examples CMS: examples
api: API is a simple example showing how to build a custom CMS using EWF. roc_api: api build using a CMS library using modules, themes, etc.