Adds a reader for NGS filter files and change some API for the apat library

pkg/obitools/obimultiplex/options.go

@@ -0,0 +1 @@
+package obimultiplex

pkg/obitools/obipcr/pcr.go

@@ -10,12 +10,18 @@ import (
 // obiseq.BioSequenceBatch containing the selected amplicon sequences.
 func PCR(iterator obiseq.IBioSequenceBatch) (obiseq.IBioSequenceBatch, error) {
 
-	forward := ForwardPrimer()
-	reverse := ReversePrimer()
 	opts := make([]obiapat.WithOption, 0, 10)
 
-	opts = append(opts, obiapat.OptionForwardError(AllowedMismatch()),
-		obiapat.OptionReverseError(AllowedMismatch()))
+	opts = append(opts,
+		obiapat.OptionForwardPrimer(
+			ForwardPrimer(), 
+			AllowedMismatch(),
+		),
+		obiapat.OptionReversePrimer(
+			ReversePrimer(), 
+			AllowedMismatch(),
+		),
+	)
 
 	if MinLength() > 0 {
 		opts = append(opts, obiapat.OptionMinLength(MinLength()))
@@ -29,7 +35,7 @@ func PCR(iterator obiseq.IBioSequenceBatch) (obiseq.IBioSequenceBatch, error) {
 		opts = append(opts, obiapat.OptionCircular(Circular()))
 	}
 
-	worker := obiapat.PCRSliceWorker(forward, reverse, opts...)
+	worker := obiapat.PCRSliceWorker(opts...)
 
 	return iterator.MakeISliceWorker(worker), nil
 }