Bootstraped ws_value_object_id type
Added the stubs
Added ws_value_object_id_init()
Added ws_value_object_id_get()
Added ws_value_object_id_set()
Added value_object_id_deinit()
Added values/object_id.c to CMakeLists.txt
Merge pull request #252 from manuelmessner/add-ws_value_object_id

Bootstrapped ws_value_object_id type
Add deserializer callback interface
Add deserializer callback source file (stubs) and CMakeLists.txt entry
Add implementation for NULL callback
Add implementation for boolean callback
Add implementation for integer callback
Add implementation for string callback
Add implementation for start_map callback
Fix: Name of a command must be assignable.
Add implementation of map_key callback
Add implementation of end_map callback
Add implementation of start_array callback
Add implementation of end_array callback