* This fixes various problems with Flag and Enum properties, among others, where the value that is provided in the :default option was used directly in the DDL statement. While this works when the ruby value maps onto the database column type, it does not work when Property#dump converts the value into another representation. [#1306 state:resolved] [#1320 state:resolved] [#1356 state:resolved]
* Users should not be able to manipulate the name or order of migrations, after loading them.
… to nil, to reduce Object creation.
… Property constant missing bug on Ruby 1.9.1.
…n' actions of the migration.
* Other libraries might want to use different messages.