- Automated tests
  - Test subqueries      [x]
  - Test Data input      [x]
  - Test RGB input       [x]
  - Test RGBA input      [x]
  - Test Grayscale input [x]
- Support for all band types:
  - PT_1BB    data[x] rgb[ ] grayscale[x]
  - PT_2BUI   data[x] rgb[ ] grayscale[x]
  - PT_4BUI   data[x] rgb[ ] grayscale[x]
  - PT_8BSI   data[x] rgb[x] grayscale[x]
  - PT_8BUI   data[x] rgb[x] grayscale[x]
  - PT_16BSI  data[x] rgb[ ] grayscale[x]
  - PT_16BUI  data[x] rgb[ ] grayscale[x]
  - PT_32BSI  data[x] rgb[ ] grayscale[x]
  - PT_32BUI  data[x] rgb[ ] grayscale[x]
  - PT_32BF   data[x] rgb[ ] grayscale[ ]
  - PT_64BF   data[x] rgb[ ] grayscale[ ]
- Have pgraster and postgis plugins share the same connection pool
- Make overviews enabled by default if table is not a subquery ?
- Make clipping enabled automatically when needed ?
- Allow more flexible band layout specification, see
  http://github.com/mapnik/mapnik/wiki/RFC:-Raster-color-interpretation