Added a function to calculate GC content of a sequence#68

Merged

martinghunt merged 3 commits intosanger-pathogens:masterfrom mbhall88:master

Feb 19, 2018

+56-3

Commits on Feb 16, 2018

add gc content function to fasta class
Michael Hall
committed
update version number
Michael Hall
committed

Commits on Feb 19, 2018

make loop more efficient. Fix Martin's crazy grammar requirements.
Michael Hall
committed