[V-1.0.0.1]
	* Commit the code before 2013-12-04
[V-1.0.0.2]
	* Add version define
	* Db::valid()
	* Db::commit() => not finish
[V-1.0.0.3]
	* Limit name length to 30 characters.
	* Column::save()
	* Table::save()
	* Db::save()
	* Table::commit()
	* Db::commit()
[V-1.0.0.4]
	* Change to record Table index for foreign key
	* Set max column number to 32 and don't use dynamic array for search.
[V-1.0.0.5]
	* Change vector type from "Table" to "void *" for DB::m_vTables
	* Debug mode will crash when the program finish. Release mode is fine.