Update QA_utils.py

Modified strip_ids to handle working files with comments and single rows (as are sometimes generated by the QA workflow).
Update QA_utils.py
Update QA_utils.py
Update QA_utils.py
Update QA_utils.py

Reverted comments change in genfromtxt; redundant with function defaults.
Update QA_utils.py
Merge pull request #74 from mrpeverill/master

Fix for QA_utils.py