Many small updates and bug fixes. Now hopefully everything works

	modified:   cellular_automata/cells/base.py
	modified:   cellular_automata/cells/regular.py
	modified:   cellular_automata/lattices/equiangular.py
	modified:   cellular_automata/states/base.py
	modified:   cellular_automata/visualization/tkinter_visualization.py
	new file:   data/two_band_20x20.ltc
	deleted:    data/two_band_desired.ltc
	deleted:    data/two_band_evolved.ltc
	modified:   evosim/evolution.py
	modified:   evosim/simulation.py
	modified:   experiments/basic_simulation.cfg
	modified:   objectives/shapes.py
	modified:   start_here.py