Complex filters provided by user-written scripts

[Lincoln-LM]

The option to write stop conditions in python script-form would open up a lot of possibilities for more complex filter. As an example, a user could type in a box raid_data.species == Species.DUNSPARCE and raid_data.encryption_constant % 100 == 0 and have it properly filter for triple segment dunsparce evos. A potential sandboxed eval that has been suggested: https://github.com/danthedeckie/simpleeval