Add interface for ws_object_unlock() interface def
Add implementation for ws_object_unlock()
Made old unlock objs deprecated and changed implementation to use ws_object_unlock()
Add deprecated attributes to deprecated function defs
Fix: Use ws_object_unlock() instead of ws_object_unlock_read()
Fix: Use ws_object_unlock() instead of ws_object_unlock_write()
Merge pull request #121 from matthiasbeyer/merge-obj_unlock_methods

Add ws_object_unlock() and make old unlock methods deprecated