* DB_common now inherits PEAR and its error handling stuff * DB_common::raiseError is now just a wrapper for PEAR::raiseError * fixed some cast warnings in prepare/execute * updated tests
* DB_common now inherits PEAR and its error handling stuff
* DB_common::raiseError is now just a wrapper for PEAR::raiseError
* fixed some cast warnings in prepare/execute
* updated tests


marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core