added `a_request_methods' argument to WSF_ROUTER_SELF_DOCUMENTATION_HANDLER.mapping_documentation
added similar argument to WSF_ROUTER_SELF_DOCUMENTATION_ROUTER_MAPPING.documentation
Renamed WSF_ROUTER_METHODS as WSF_REQUEST_METHODS
Enhanced WSF_REQUEST_METHODS with new has_... function
Added WSF_ROUTER_VISITOR and WSF_ROUTER_ITERATOR that may be useful to iterate inside the router.
we may improve the implementation of the router using those visitors in the future.
Improved the WSF_DEFAULT_RESPONSE to embedded suggested items (typically based on pseudo self documented router)
transfer encoding: Chunked.
Added a new method to retrieve_data independently if the
transfer is chunked or not.
Updated ORDER_HANLDER to use this new feature.
Sync with Jocelyn repo
Update JSON converter, the id is not important, applied the DRY principle.
Update the ORDER_HANDLER to use the meta_string_variable instead of meta_variable from req.
Fix, the key in meta_variable_table, use c.key instead of c.item
