Seems like I accidentally published 1.2.2 as 1.2.1, oh well
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This update improves uppon v1.2.2 and optimises some more runnables, even turning one into an async task and removing one completely.
The update also removes a nasty visualisation issue with the Speed & Meador enchantment.

Changelogs (compared to v1.2.2)
Changes:

• The Meador and Speed enchantment now apply a Speed potion effect instead of changing the walking speed - at the cost of some flexibillity.

Optimisations:

• Several bukkit runnable changes, improving performance