when dealing with built-in extensions. (Sebastian)
- Added large OID value (2^31 to 2^32) support for pg_lo_import(),
pg_lo_unlink(), pg_lo_open() and pg_lo_export(). (Yasuo)
-- Changed the mbstring extension to be enabled by default. (Yasuo)
- Fixed mixing OCIPlogon() and OCINLogon() to not leak Oracle-Sessions. (Thies)
- Added php.ini options for EXIF extension to encode and decode Unicode/JIS
user comments. (Marcus)