Updated GitHub Issue Tracker with all TODOs listed in correct_Bismark_PE_SAM.py. Also, a few code tidy-ups in correct_Bismark_PE_SAM.py
Updated GitHub Issue Tracker with all TODOs listed in correct_Bismark_PE_SAM.py. Also, a few code tidy-ups in correct_Bismark_PE_SAM.py

PeteHaitch/methtuple,PeteHaitch/methtuple,PeteHaitch/methtuple