Final tweaks to figures
Make it deal with the new-style halo catalogues
Add column density function directly to PrettyHalo
Fix for new Arepo versions
C module for SPH interpolation
Speed up a bit with numexpr
Change CIC to SPH in BoxHI
Add file to read cloudy tables
Wrap tight_layout for backends where it isn't there
Fix whole box versions of the cdf
Also check IGM metallicity