Added a monster grid to EcoWorld.
Merge branch 'grid' of github.com:Ramqvist/Simulated-ecosystem into grid
Created class WorldGrid.
Added WorldGrid to the Rabbits.
Removed faulty import.
Added a get size method in WorldGrid.
Resolved conflict.
Added a monster grid to EcoWorld.
Created class WorldGrid.
Added WorldGrid to the Rabbits.
Removed faulty import.
Added a get size method in WorldGrid.
Resolved conflict.
Reverted some changes.
Fixed extension of AbstractPopulation in RabbitPopulation, added tip to WorldGrid and cleaned up some code.
Added method to get neutral force.
Tried to test the world grid, but something is wrong...
Added small comment.
Revert "Added small comment."

This reverts commit c9ec18257e9d58d45b077af37a67b1e4f7a010ad.
Did something.