Add hash callback for connection processor
Add compare callback for connector
Move starting a connection to new method
Merge pull request #649 from matthiasbeyer/add-connection_processor_callbacks

Add missing callbacks for connector
Move closing a connection to new method
Rename flag to reflect change in semantics
Merge pull request #651 from neithernut/add-connection-connection_disconnection_methods

Add connection connection disconnection methods
Add ped_ofile handling
Merge pull request #653 from matthiasbeyer/add-child_exit_watcher

Add child exit handling
Add (static utility) function for building a path from a name
Change ws_socket_deinit() to use build_path()
Change ws_socket_create() to use build_path()
Merge pull request #654 from matthiasbeyer/fix-socket_deinit

Fix ws_socket to be able to connect to it
Fix deinitialization of dag node
Add missing NULL-check
Fix handling of completely new dag tab trees
Rewrite add_roots_for()
Make depth a signed value
Remove old unused static function
Adapt destruct_tab_node()