FpsPlus version A: The normal mod. Uses Rivens normal Sin/Cos methods.
Version B: Uses Rivens SinHalf/CosHalf methods.
Version C: Reworked the MathHelper class again. Seems to be more stable.
Version D: Uses Libgdx Sin/Cos methods.
Should working on all LF versions.
Only use one version at once! Tested with Optifine and other mods.