basic features

• jet model physical setup 1 (basic features and SSC) - *New (v1.3.0)*
• jet model physical setup 2 (EC and Equipartition) - *New (v1.3.0)*
• jet leptonic synchrotron polarization - *New (v1.3.0)*
• jet model numerical setup
• jet hadronic pp model
• galactic beamed/unbeamed objects
• change cosmology model - *New (v1.3.0)*