Allow boolean modifiers

[midgleyc]

Builds off #16.

Allows e.g. busker-solver allbusks modifiers="Adventure Underwater"

Hybrid strategy: prioritizing effects [], fallback modifiers [1×Adventure Underwater]
Busk Info:
Power 195 Busk 1
Total buffs: Adventure Underwater: 1
Adventure Underwater:
Useful Effects: Oxygenated Blood
Other Effects: 'Roids of the Rhinoceros
Outfit: Hat - maiden wig, Shirt - SMOOCH breastplate, Pants - old sweatpants

Power 270 Busk 2
Total buffs: Adventure Underwater: 1
Adventure Underwater:
Useful Effects: Mer-kinny Flavor
Other Effects: Loco Motives, Oth-Jeal-O
Outfit: Hat - none, Shirt - Stephen's lab coat, Pants - crotchety pants

Power 430 Busk 3
Total buffs: Adventure Underwater: 1
Adventure Underwater:
Useful Effects: Mer-kinny Flavor
Other Effects: Coy to the Hurled, Lobos Fresh, Greasy Peasy, Smile of the Wombat
Outfit: Hat - none, Shirt - Unkillable Skeleton's breastplate, Pants - Boss Bat britches

Power 855 Busk 4
Total buffs: Adventure Underwater: 1
Adventure Underwater:
Useful Effects: Hyperoxygenated Blood
Other Effects: Knightlife, Elbow Sauce, Angry like the Wolf, Big Punkin', Mathematically Precise, Waxing, For Your Brain Only, Lividly Energized
Outfit: Hat - eldritch hat, Shirt - SMOOCH breastplate, Pants - weedy skirt

Power 320 Busk 5
Total buffs: Adventure Underwater: 1
Adventure Underwater:
Useful Effects: Oxygenated Blood
Other Effects: Cool Spirit, Feeling No Pain, Delighted by Autumn
Outfit: Hat - none, Shirt - flyest of shirts, Pants - Greaves of the Murk Lord