trap powers bookmarklet should accept power modifiers

[Trevor-van-L]

• empowered SB+
• prestige base All generate an error when using. Fix would make life much more convenient for doing powers

[Trevor-van-L]

Gwh traps with snowball charms break too

[Trevor-van-L]

Neb says all "special effects" break

[Trevor-van-L]

Looks like we can borrow shared-cre-setup.js for this