Tribune

==================

- ?

==================

- Fix deep copy behavior for sheet units using complex tuple expressions and SQLAlchemy objects

==================

- Fix the 0.2.0 release where the sdist included the whole wheelhouse

==================

- Fix bug which would cause non-string data in headers to fail (7770e84_)
- Upgrade build / test environment

.. 7770e84: https://github.com/level12/tribune/commit/7770e844aa5e4ded4f926349e6da038c30121809

============

- Fixed column instance setup when referencing SQLAlchemy attributes and wrapped functions
- Made SheetImporter easier to construct dynamically at runtime
- Added parsers for lists, mappings, and nullable fields