Added configurable "minimum lifetime" of drops, this will prevent 3D drops from interrupting miners by spawning them only after 20 ticks have passed.
Added limit for 3D drops in an area in order to prevent clientside lag.
Code (Text):
# Here you can limit the amount of 3D drops in an area.
# Stacked items don't represent extra drops.
# The distance can be set to 0 to disable the check.
limit-distance: 16
limit-max: 100
Fixed a rare exception.