Fix McMMOPlayerBrewEvent NPE in AlchemyBrewTask#finish
Fix blastMiningDropProcessing attempting to create ItemStacks from Materials that don't have valid items.
Firstly, thank you for contributing. This PR has some problems, so I'll manually take in your fix for Mining, but the Alchemy one isn't appropriate. In the future, split up your fixes into multiple PRs.
Fix McMMOPlayerBrewEvent NPE in AlchemyBrewTask#finish Fix blastMiningDropProcessing attempting to create ItemStacks from Materials that don't have valid items.