Added new ownership options (spawners that are placed and owned by a player):
» Breaking - if a spawner that you do not own can be broken
» Stacking - if a spawner that you do not own can be stacked
» Changing - if a spawner that you do not own can be changed with spawn eggs
» Interact- if a spawner that you do not own can be opened
» Upgrading - if a spawner that you do not own can be upgraded

Added new natural spawner options (spawners that are spawned naturally in the world):
» Breaking - if a natural spawner can be broken
» Stacking - if a natural spawner can be stacked
» Changing - if a natural spawner can be changed with spawn eggs
» Interact- if a natural spawner can be opened
» Upgrading - if a natural spawner can be upgraded

Added natural spawner silk touch requirement.
Buying spawners from /spawnershop now gives the correct ones instead of empty.