Fixed plotting bug in cover_frac
Modification of VelocityHI
Added functionality to cover_frac.py
Added simpler velocity plotting mode to dla_plots.py
Added HI_3D_data.py
Finished HI_3D_data.py
Updated HI_3D_data.py to save much more about the circumgalactic gas
Added parent_tree.py
Finalized parent_tree.py
Fixed comment formatting, and added VelocityHI
Flagging particles in halos/subhalos/unbound gas
Added conversions (from Mark Vogelsberger)
HI_3D now tracks particle positions
slight updates to parent_tree.py
Working towards draft figures