Formatting.
	modified:   DefaultConfig.NEAT
Added KeepChamp parameter. Added ability to detect when an attemp to load a
parameter file fails. Cleaned DefaultConfig.NEAT of extraneous parameter
name strings (which breaks the current file reading implementation).

	modified:   ../examples/DefaultConfig.NEAT
	modified:   ../examples/TestMcNally.py
	modified:   Parameters.cpp
	modified:   Parameters.h
	modified:   Species.cpp
Added ability for mutations to be mutually compatible.

	modified:   examples/DefaultConfig.NEAT
	modified:   lib/Parameters.cpp
	modified:   lib/Parameters.h
	modified:   lib/Species.cpp
	modified:   lib/Species.h