readme init
finished _get_base method, still concerned about efficiency
added new test script, updated README with todo
needed to strip newline
force base pairs to lowercase
force base pairs to lowercase
_get_base is now the generator
changed ReferenceGenome to ReferenceChromosome
finished replace_base method
updated docstring
made quick changes to run on cluster
had prior and likelihood backwards, had to swtich
had prior and likelihood backwards, had to swtich
testing switch
finished swtich, should test