Sqlite-utils

* Added documentation for the `table.pks` introspection property. 116

- The `sqlite-utils` command now supports UPDATE/INSERT/DELETE in addition to SELECT. 115

* Added custom project links to the [PyPI listing](https://pypi.org/project/sqlite-utils/).

- New `sqlite-utils drop-table` command, see [Dropping tables](https://sqlite-utils.readthedocs.io/en/2.9/cli.html#cli-drop-table). ([111](https://github.com/simonw/sqlite-utils/issues/111))
- New `sqlite-utils drop-view` command, see [Dropping views](https://sqlite-utils.readthedocs.io/en/2.9/cli.html#cli-drop-view).
- Python `decimal.Decimal` objects are now stored as `FLOAT`. ([110](https://github.com/simonw/sqlite-utils/issues/110))

* New `sqlite-utils create-table` command, see [Creating tables](https://sqlite-utils.readthedocs.io/en/latest/cli.html#creating-tables). (27)
* New `sqlite-utils create-view` command, see [Creating views](https://sqlite-utils.readthedocs.io/en/latest/cli.html#creating-views). (107)

* `db.create_view(...)` now has additional parameters `ignore=True` or `replace=True`, see [Creating views](https://sqlite-utils.readthedocs.io/en/latest/python-api.html#creating-views). (106)