Add missing g_free() call for house_system_enum_name in chart loading
Use enum nick instead of name in house system saving

This is easier to do, and the save file has that value already
Add house system save functionality

This was missing from #37
Add default house system to settings schema

It is taken from an enum list, which is hand made. There must be a way
to generate it programatically at compile time…
Rename ag_window_find_house_system() to ag_window_set_house_system()
Set Edit tab’s house system to the default on startup
Merge pull request #39 from gergelypolonkai/configure-house-system

Save house system; Add default house system to the settings schema