- fix it_magnet - strength, range attributes set prior grid set
- it-coin* to it_coin_s, it_coin_m, it_coin_l - a single class
- coins have no longer a value, but coinslots have attributes
interval_s, interval_m, interval_l
- coinslot with instant attribute/variation
- instant false (default) gets active after coin insertion, next coin
insertable after last one finished its insertion animation.
- instant true: immediately active on coin insertion, accepts coins
at any frequency
- coinslot fully swappable in any state
- coinslot state is read only, no "on" messages, etc are accepted
- oxyd magnum activation of levels 110,121,126,127,128,129,159,166,181,182