Roadsend PHP SiteManager

This release has a huge rewrite the of error system to allow customizable error handler, new inVar type checking allowing specification of acceptable values, SM_config updates, a new input entity entityGrid for dynamic length, grid-based forms (shopping cart, etc.), the latest PEAR redistribution to fix a multiple database connection bug, and lots of bugfixes and other updates.

Breaking XML reading code into a pluggable system that also allows for database reads, large SmartForm code cleanup and optimization, and other code optimizations and improvements.

SmartForms now uses the main templating engine for SF templates. Modules can
more easily determine error page output for inVar security errors. A new SM TAG
was added for including a template directly inside another template. Lots of
bugfixes and cleanups were made.

A new pluggable system for sessions, members, and SM tags, a new file container for sessions, and lots of other miscellaneous improvements.

A component system to load needed code on the fly was added. Several bugfixes and other updates were made.