New features

• Add [meta] meta-key <comparator> value condition/requirement
• Add === for placeholder and meta requirements to check equality between actual numbers

Fixes/improvements

• Money reward (used by the other plugins) tries to fail safely if you don't actually have any economy provider
• Improve Eco item handler, to make sure it safely fails when you are using EcoArmor in ways you are not supposed to (having disabled armor pieces in your inventory)
• Fix /stash view <player> on folia