Squashed 'fhdps_utils/' changes from 4187486..9b4db1e
Squashed 'fhdps_utils/' changes from 4187486..9b4db1e

9b4db1e Improvements to quick_image.

git-subtree-dir: fhdps_utils
git-subtree-split: 9b4db1e5309395f32713d9e4c1aaebbd26fe162d

EoRImaging/eppsilon,miguelfmorales/eppsilon