SimPCoRe PCR is a PHP Content repository that stores content as trees of Nodes with associated Properties. Data is stored in the Properties, which may hold simple values such as numbers and strings or binary data of arbitrary length. Check out http://www.simpcore.org to view installation instructions and tutorials. The new version 1.0 has the following additions: * Ability to create custom Persistence Manager * All content is stored in one database table * Detailed Exceptions * Detailed logging * Multiple workspaces * Query Class * Referential Integrity