Correct usage of MathHelper.getRandom() so that the random variables are not stored in class states
Fix NPE with Lightning
Tweak log decay check
More progress on enchantments.

Signed-off-by: aPunch <theapunch@yahoo.com>
Merge pull request #531 from aPunch/master

Enchantment progress
Update tests.
Signed-off-by: Chris Sanders <zidane@outlook.com>