2.1.5

• Allow timestamp value in database to be serialized (presumes UTC timezone) Yesod #391

2.1.4

• Treat unknown extension types as PersistDbSpecific values #385

2.1.3

• Added a Show instance for PostgresConf.
• createPostgresqlPoolModified added, see relevant mailing list discussion

2.1.2.1

Documentation typo fix

2.1.1

Added FromJSON instance for PostgresConf.