* Fix a bug about sizeof() at idx_fake_oid of info.
* Return 0 for the column size when the size of numeric items are unknown.
Also improve the calculation of scale of numeric items when it is not
explicitly specified.
* Change to use 'if' instead of an inappropriate 'else if' at cursor of convert.
* Remember to set permanent flag to holdable cursors on commit with no
precedent rollback (to savepoint) operations.
This fixes a crash bug in case of cursor operations across transaction.
* Fix a bug about the handling of the SQL_RETRIEVE_DATA option.
* Fix cursor bug introduced by the previous change.
* Move the setting of folder name of libpq or gssapi related dlls from .wxs
file to .bat file.
* Fix a bug which returns incorrect values for SQL_DATETIME_SUB.
Splitting out a common Makefile for future unixodbc-postgresql and
iodbc-postgresql packages.
Changes from version 7.1.3 include:
Remove query size limit (Hiroshi)
Remove text field size limit (Hiroshi)
Fix for SQLPrimaryKeys in multibyte mode (Hiroshi)
Allow ODBC procedure calls (Hiroshi)
Improve boolean handing (Aidan Mountford)
Most configuration options on setable via DSN (Hiroshi)
Multibyte, performance fixes (Hiroshi)
Allow driver to be used with iODBC or unixODBC (Peter E)
MD5 password encryption support (Bruce)
Add more compatibility functions to odbc.sql (Peter E)