get_primitive() is created. Lines in get_supercell() are mostly moved to Supercell class. Procedure to create s2u_map in Supercell class is rewritten. u2u_map and u2s_map are implemented in Supercell class.
Code lines with Primitive(...) are replaced by get_primitive(...).
Set version 1.7.6
Enrich -v option output
Update document
Rum rule is imposed for outcar-born when --st option is activated.
Update document