1.16.5 - v0.18.4: some final bug fixes

• Fixed way sign generation some times leaving signs halfway generated
• Fixed a duplication bug with sacks that had more than 9 slots
• Presents can hold a stack of 64 items as intended
• Clicking on a flax upper stage will delegate the action to its lower one. Allows harvesting mods to better interact with it
• Wrenches are now made of iron
• Changed sign recipes to not spam the log
• Tater in a jar can be rotated
  
  0.18.4: fixed usual mixin related crash on startup