New version of this library is in own organization: lightsaml/lightsaml. Details can be found at LightSAML website.
LightSaml Implements basic SAML 2.0 data model classes, serialization/deserialization to/from xml with XML security and certificates support, and message encapsulations to bindings. Covered with unit tests.
LightSaml is an open source project and is open for contributions.
Thanks to all contributors and specially to SimpleSamlPHP open source which though hardly reusable helped us in start to understand better how SAML works and speed up the implementation.