start to allow for constructing mutation rates from a union of alternative transcripts
can now determine union of mutation rates across different trancripts
updated README, and mutation rate script
tweaked README
tweaked README
tweaked README
Merge branch 'master' into union_rates
Merge branch 'master' into union_rates
include synonymous mutation rates
catch error when there are no coding transcripts that contain the de novos
Merge branch 'union_rates'
updated README for synonymous rates