Changes in version 2.19.4 are:
* Fixed problem where zero find results returned 'denied'.
* Fixed ugly password prompt for making a new keyring.
* Consistent use of NULL in the API to represent the default keyring.
* Use non-pageable memory for secrets and passwords.
* Log warning and error messages to syslog when running as a daemon.
* Added unit tests for the gnome-keyring API.
* Refactored and reorganized the code.