v0.1.3.0

0.1.3.0

• #47: Generate postgres enum types in schema when using Nullable PgEnum values.
• Add showMigration
• Extend allowable version bounds for aeson, base, dlist, pretty-simple, and splitmix
• Add support for postgres' oid column type
• Add calcMigrationSteps function to compute the Diff that will be performed by a migration without altering the database.
• Support GHC 9.0.2
• Fix an issue where names starting with an upper case letter and containing no other characters requiring escaping would not be properly escaped