v0.3.1

Santiago v0.3.1

Diff since v0.3.0

Closed issues:

• add default input masses (#13)
• User documentation for wiki (#22)
• Add units to "example_techs" (#23)
• Add units to mass flow properties (#24)
• Option to export all massflow stats with 'properties_dataframe' (#26)
• Make systems ID stable and unique (#38)
• templates per techs (#41)
• how to make SAS components available? (#42)
• enable plotting for all systems if possible (merge or not) (#43)