Log Message:
Update pear-MDB2 package to 2.5.0b3.

2.5.0b3		2010-08-29 12:27 UTC

Changelog:

- fixed bug #15912: MDB2::loadClass can return MDB2_OK without loading class
- fixed bug #16020: unable to set params via dsn string in parseDSN()
- fixed bug #16508: reusing var name + return by ref [rix0r]
- fixed bug #16727: quote(url, 'clob')) fetches URL even if
  lob_allow_url_include option is false
- fixed unreported bug in parseDSN() and oracle's Easy Connect syntax
- fixed bug #16973 and #17039: Wrong _skipDelimitedStrings behavior with
  escaped quotes
- fixed bug #16994: incompatible declaration of setTransactionIsolation() in
  some drivers
- dropped PHP 4 support
- PHP 5.3 compatibility fixes
- performance tweaks (reduced number of internal function calls)
- added new sqlsrv driver (native SQL Server driver) [Chris Pucci, Mike Ketcham]
- added new ODBC experimental driver [pschellhaas]
- Switched test suite to PHPUnit 3.5

open todo items:
- handle autoincrement fields in alterTable()
- add length handling to LOB reverse engineering
- add EXPLAIN abstraction
- add cursor support along the lines of PDO (Request #3660 etc.)
- add PDO based drivers, especially a driver to support SQLite 3 (Request #6907)
- add support to export/import in CSV format
- add more functions to the Function module (MD5(), IFNULL(), etc.)
- add support for database/table/row LOCKs
- add support for CHECK (ENUM as possible mysql fallback) constraints
- generate STATUS file from test suite results and allow users to submit test
  results
- add support for full text index creation and querying
- add tests to check if the RDBMS specific handling with portability options
  disabled behaves as expected
- handle implicit commits (like for DDL) in any affected driver (mysql,
  sqlite..)
- add a getTableFieldsDefinitions() method to be used in tableInfo()
- drop ILIKE from matchPattern() and instead add a second parameter to handle
  case sensitivity with arbitrary operators
- handle LOBs in buffered result sets (Request #8793)