Methods to add cells to world
Starting refactor on cell to include position on the world
Now we can get the position of the cell on the world
Fixing test to make it more general
Adding a method to verify the same position
Verifing the repeated cells
Removing repeated neighbours and fixing broken test
Removing the repeated neighbours
Adding instructions to run the tests
A neighbour is a neigbour of the other
Determine if a position is a neighbour of a cell
Testing that the adjacent cells are neighbours
Only count alive neighbours
Get the colony members of a cell, and avoid the not adjacent neighbours
Getting the number of colonies