Resolve "callPeaksMACS exits when data is bad"

Please fill in the appropriate checklist below (delete whatever is not relevant). These are the most common things requested on pull requests (PRs).

PR checklist

• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• CHANGELOG.md is updated

Closes #26 (closed)

test_data/test_cross.qc

+Test.20.tagAlign.gz	18588987	0,20,33	0.211525291335199,0.211232019956852,0.211139666755398	35	0.2123067	1500	0.209429	1.01001	0.7284536       0