+ int countDiffs(string, string);
+
+ int stripPairedBarcode(Sequence& seq, QualityScores& qual, int& group);
+ int stripPairedPrimers(Sequence& seq, QualityScores& qual, int& group, bool);
+ int stripPairedBarcode(Sequence& seq, int& group);
+ int stripPairedPrimers(Sequence& seq, int& group);
+