v2.2.0

• To realize speed gains, added new ConstraintsManager to drop all indexes and constraints on the database prior to loading.

v2.1.0

• Added support for Django 2.0
• Dropped testing for Django versions prior to 1.11 and psycopg versions prior to 2.7.3, though they still likely work

v2.0.3

• mapping argument to copy_from now optional with header crosswalk inferred (@magnunleno)
• Added support for optional delimiter argument to copy_to (@magnunleno)
• Added support for optional header argument to copy_to (@ckirby)
• Added support for optional null string argument to copy_to (@ckirby)
• Refactor field resolution to use Django's preferred model._meta.get_field method (@ckirby)
• More consistent use and testing of FieldDoesNotExist error (@palewire)

v2.0.2

• Added delimiter option to copy_to.

v2.0.1

• Added multi-database support to copy_to.

v2.0.0

• Added copy_to for export support
• Added new manager for easier implementation
• Added copy_from to manage to connect existing import methods to the new idiom

v0.2.1

• Field retrieval now looks for matches with field.name and field.attname

v0.2.0

• Added optional hooks before and after copy and insert steps
• Removed vestigal copy_type attribute on transformations
• Python 3.6 testing
• Django 1.11 testing