1.3.14 (01/28/15)

• [mysql] Fixed an undefined exception error in type_to_sql for MySQL (#616)
• [derby] support for empty insert statements (e.g. DbModel.create!) on AR 4.x
• [db2] revert limit/offset OVER( ORDER BY ) matching as it was not complete (#606)
• [db2] handle empty INSERT statement (default) VALUES in a way that works on AR 4.x
• [db2] select return value should be the same as core AR (Array on 3.2) (#607)
• [mysql] backport bulk change & schema-creation to be compatible with AR 4.x
• handle possible null values while extracting from XML columns (#615)
• DateTime columns are returned always as nil values (on Rails 4.2 #613)
• [oracle] do not override primary= within column methods on AR 4.2
• handle removed AR Column#primary= method on 4.2 (#609)
• [oracle] fix missing sequence_name_length method when doing a rename_table
• [mysql] do not force DEFAULT CHARSET=utf8 when creating new tables
• [postgres] rename the primary key index when renaming a table in pg
• [db2] improve create_table on Z/OS (now supporting AR 4.x TableDefinition) (#581)