DAC for MySQL 2.4

The new version of DAC for MySQL has been released. Introduces client-side sorting, new direct access core with stored procedures support and bugfixes.

Full list of current changes:

[+] Long-awaited client-side sorting added (TmySQLDataSet.SortBy() method and
    TmySQLDataSet.SortFieldNames property).
[+] New MySQL direct access core with stored procedures support.
[-] Fixed memory leak while using TmySQLTable.Filtered with TmySQLTable.IndexName
[-] GotoKey and GotoNearest bugs fixed.
[-] Fixed memory leak while adding rows to table with BLOB field(s).
[-] Fixed error raised when converting empty string to boolean. Now empty strings
    are treated as FALSE.