FIX: Blob and Memo issues in ODBC
Use fixed format for float and double types
Added IDbc::quoteIdentifier() function
Binary operations for TDate
FIX: Return EOF if SQLGetData() returns SQL_NO_DATA
Added locale support for bcd
Cast methods for float, double and string to numeric
Added bcd::from_double() and bcd::from_float()
Pass locale as ref instead of value to basic_bcd() constructor
FIX: use locale in TNumeric string accessor