Django-sql-dashboard

- Do not show "[count]" links for unambiguous columns. [69](https://github.com/simonw/django-sql-dashboard/issues/69)
- Better HTML titles for pages, for better browser history. [70](https://github.com/simonw/django-sql-dashboard/issues/70)
- Pretty-print cells containing JSON. [62](https://github.com/simonw/django-sql-dashboard/issues/62)

- Correctly sign `?sql=` on redirects created using `DASHBOARD_UPGRADE_OLD_BASE64_LINKS`. 68

- Fixed bug with `DASHBOARD_UPGRADE_OLD_BASE64_LINKS` setting. 67

- Make it easy to provide a custom base template. 7
- `Content-Security-Policy: frame-ancestors` header. 64
- Signing no longer uses base64/json. 45
- `DASHBOARD_UPGRADE_OLD_BASE64_LINKS` mechanism. 65

- SQL textarea now always has at least 5 rows
- Always strip trailing `;` from SQL, fixing bug with "count" links. [56](https://github.com/simonw/django-sql-dashboard/issues/56)
- URLize links in results. [61](https://github.com/simonw/django-sql-dashboard/issues/61)

- Fix for bug with columns with identical names. 52
- `DASHBOARD_ROW_LIMIT` setting. 53
- Size SQL textarea to fit SQL. 51