Tablib

* Bugfixes

* Dataset API Changes
* `stack_rows` => `stack`, `stack_columns` => `stack_cols`
* column operations have their own methods now (`append_col`, `insert_col`)
* List-style `pop()`
* Redis-style `rpush`, `lpush`, `rpop`, `lpop`, `rpush_col`, and `lpush_col`

* OpenDocument Spreadsheet support (.ods)
* Full Unicode TSV support

* Full XLSX Support!
* Pickling Bugfix
* Compat Module

* `seperators` renamed to `separators`
* Full unicode CSV support

* Python 3.1, Python 3.2 Support (same code base!)
* Formatter callback support
* Various bug fixes