Fix
issue #435, and also unreported bug when 2 or even 4 entries could have selection at the same time in weapons menu.
issue #443 - change in syntax for effects
Clear hedgehog's gear Power value when switching. Should fix
issue #446 (not tested, but looks obvious).
This should cover all entries from
issue #438
fix for
issue #441 ("Cannot overwrite default weapon set 'Default'!" message when no change to weapon set was made)