Added image of the hex array
Eliminated neighbour_gen.cpp in favour of neighbour_gen.py
Replaced neighbour_gen.cpp with neighbour_gen.py.
This permits checking of neighbourhoods during generation
Added output notifying user about how to verify correctness
Changed "Hex"->"HexEven"
Fixed hexagonal neighbourhoods
Updated for increased flexibility and even/odd hex neighbourhoods
Added hexagonal grid representations. Removed warning about hexagonal neighbourhoods.
Initial import