remove unused code
started work on PDB_redo support
update copyright
partial PDB_REDO support
use PDB_REDO ED data when requested to do so
complete PDB_REDO data use implementation
add occupancy and variant attributes to PdbAtom
some refactoring and optimization
remove ligand_all_atoms variable
Calculate average occupancy from PDB file data
fix loading of pdb ids from file
avoid classifying ligands twice
take bond distances into account even if not present in LINK records
fix some silly bugs introduced by previous commits
cythonification of latest changes + PDB_REDO age check
discard non-xray models
allow huge lists of pdb ids
indicate model source in output files, and use it when visualizing
Add GUI for PDB_REDO option
disable either PDB_REDO or OWAB when the second one is enabled