Changes in version 2.91.4 are: * gck library loads PKCS#11 modules from /usr/lib/pkcs11 * PKCS#11 config file in /etc/xdg/pkcs11.conf[.defaults] * Many ASN.1 encoding fixes. * Refactor how tests work. * Install standalone PKCS#11 modules to a consistent location. * Memory leaks and other bug fixes. * Allow enumeration of objects in specific PKCS#11 slots as well as modules. * Add GcrCertificateChain for building certificate chains. * Implementation of the initial PKCS#11 Trust Assertions spec. * Add GcrPkcs11Certificate for looking up certificates in PKCS#11 modules by issuer. * Expose gcr functionality for setting which PKCS#11 modules to use. * Find the root certificates by default. * Move to a single header model for libgcr. * Don't load *.la files when looking for PKCS#11 modules. * Fixes for GTK+3.0 * New xdg-store PKCS#11 module with support for storing trust assertions. * Rename old user-store to gnome2-store since it stores its data in old formats in the old .gnome2 location.