Cleanup

Fixed bug with filtering by phase. Added phase param to getImgs().

Update README.md

Update README.md

Merge branch 'master' into dev

Updated download.py

The first official release of the Detail API for the [PASCAL in Detai…

…l challenge](https://sites.google.com/view/pasd).

Both MATLAB and Python are supported.

This API version is intended for use with the Preview dataset. Code for evaluating participants' algorithms is not yet provided and will be added in future versions.