D.3.19 Modifications de la version 3.21.16

• Added ODBC 2.0 & 3.0 functions POWER(), SPACE(), COT(), DEGREES(), RADIANS(), ROUND(2 arg) and TRUNCATE().
• WARNING: INCOMPATIBLE CHANGE!! LOCATE() parameters were swapped according to ODBC standard. Fixed.
• Added function TIME_TO_SEC().
• In some cases, default values were not used for NOT NULL fields.
• Timestamp wasn't always updated properly in UPDATE SET ... statements.
• Allow empty strings as default values for BLOB and TEXT, to be compatible with mysqldump.