1.3.9 (07/07/14)
- [postgres] improve Range's type cast - fixing minor quoting failure on AR 4.x
- [postgres] range type's :exclude_start is actually += 1 (align with AR 4.1)
- [postgres] correctly quote numeric values with string/text column types
- [postgres] backport CVE-2014-3483 and protect against CVE-2014-3482 (from AR)