v0.7.3

What's Changed

• fix --help, -h case in args_logic_fnc by @p-slash in #70
• move readme to index. add source link. add pre-installed qsonic instr… by @p-slash in #71
• slice by idx_cat into true continuum by @p-slash in #72

Full Changelog: v0.7.2...v0.7.3