Gendered Favorites

Just a bit more Favorite Pokémon Picker. After the last update, Torch commented suggesting the ability to choose whether to use male or female as the default gender when gender differences are not included. This sounded like a neat simple thing, and would address something that'd been kind of bugging me too about treating the male as the default, so I started doing it... and then immediately proceeded to run into a series of headaches with the implementation of it. First it was how it interacted with the shareable lists (in order for your list to be shared correctly, we need the shareable list URL to include the default gender setting... and not just the default gender setting, but also the included forms and major only settings, since otherwise it wouldn't know whether gender differences were included separately); then I realized the results would be counterintuitive if you had the default female setting on and then went on to change the included gender differences setting; then I…