Why do I have permanent swiftness on Minecraft Super Craft Bros?

I was playing a game of super craft bros, and I won while under the effects of potion of swiftness. When it ended, I found that the swiftness never wore off. It just continued into the other games that I played. Does anyone know how to fix it. It also seemed to give strength as well since I can two-three hit people as cactus.
Asked Jul 04, 2013
Edited Jul 04, 2013

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