removed section on compiling examples, as that is now covered above
added @brief
deleted
cleanup + enable config.h
updated dox
new include
reran automake
removed last ref to Nucleotides enum type
replaced enum with enum class
replaced enums with enum classes.  Removed enum types that led to weirdness is the divergence code base
move from enums to emum classes
formatting
first test added
new test file
added tests for each codon under universal genetic code
cleanup
cleanup
cleanup
better handling of invalid divergence values (nan vs. the old 999)
better handling of Grantham distances involving a stop codon