new sanitization interface for lazy sanitizing of object properties
have the Security class use the sanitization interface if present
Implemented sanitization for Model_Crud
fixed selected values for empty string or 0
Change for parsing namespaced-xml
Merge pull request #1549 from hackoh/1.8/fix_format_xmlns

Change for parsing namespaced-xml
only reconstruct $_GET when no query string is present. related #1551
added isset/unset magic methods to Model_Crud
\Debug::backtrace accepts trace param and is smarter in CLI mode
Output proper CLI backtrace from error handler
Send new $trace parameter to dump
Only output CLI backtrace when config says to
A more legible backtrace format