* add basic density field
* Add TODO
* add field smoothing
* update how pos are calculated
* add transforms both ways
* add import
* add sky density
* add make skymap func
* update TODO
* update gitignore
* add potential field calculation
* delete boxsize setter
* add tidal tensor
* simplify Planck catalogue
* add MCXC and base survey
* Add 2MPP classes
* move match to MCXC to Planck
* add halo catalogue
* rm comment
* rm unused imports
* Move conversion to box
* add min mass
* Run on all simulations
* rm old function
* add combined catalogue
* add halo positions
* add knn neighbors
* set to 5 sims for testing
* add docstring
* Switch to neighbours in a catalogue
* rename io to read
* fix indentation
* rename to read
* io -> read
* add import
* add RealisationMatcher
* io -> read
* add docstrings
* add search_sim_indiices
* update todo
* keep make_cat at 10 for now
* update nb
* change to log10 initlogRs
* add uncertainty
* add check if hessian negative
* update TODO
* update TODO
* output the error too
* save e_logRs
* add concentration calculation
* calcul concentration
* missed comma in a list
* Update TODO
* fix bug
* add box units and pretty status
* make uncertainty optional
* add BIC function
* remove BIC again
* add new overdensity calculation
* change defualt values to max dist and mass
* change to r200
* new halo find
* speed up the calculation
* add commented fucn
* update TODO
* add check whether too close to outside boundary
* Update TODO
* extract velocity as well
* calculate m200 and m500
* update nb
* update TODO
* rename nb
* add merge func
* rm bug..
* add static methods
* save rmin, rmax
* add properties for box units
* move radial info to the clump
* add Npart explicit
* move where rmin, rmax obtained
* add box cosmo
* add __getattr__
* add comments in units
* add enclosed spherical mass
* rm unused variables
* add clump mass setter
* add the halo index
* add enclosed overdensity
* add enclosed_overdensity
* simplify loss func
* opt result to nan
* change Rs to log10
* change back to attribs
* add H0 and h props
* add setattrs
* Remove global constants
* move Msuncgs above
* add crit density
* add dots
* add r200c and r500c
* add M200 and M500
* make lowercase
* output r200, r500, m200, m500
* update TODO
* update README
* fit NFW only up to r200
* add r178, m178
* add m178, r178
* update TODO