Small change in parallelisation tuning

Former-commit-id: 3fe2495b7fd86a0ba47dd87907323a457bae481a

pkg/obitools/obiconvert/sequence_reader.go

@@ -90,7 +90,7 @@ func CLIReadBioSequences(filenames ...string) (obiiter.IBioSequence, error) {
 		opts = append(opts, obiformats.OptionsFastSeqHeaderParser(obiformats.ParseGuessedFastSeqHeader))
 	}
 
-	nworkers := obioptions.CLIParallelWorkers()
+	nworkers := obioptions.CLIReadParallelWorkers()
 	if nworkers < 2 {
 		nworkers = 2
 	}

pkg/obitools/obimultiplex/demultiplex.go

@@ -56,5 +56,5 @@ func IExtractBarcode(iterator obiiter.IBioSequence) (obiiter.IBioSequence, error
 	}
 	log.Printf("Sequence demultiplexing using %d workers\n", obioptions.CLIParallelWorkers())
 
-	return newIter.Speed("Demultiplexing"), nil
+	return newIter, nil
 }

pkg/obitools/obitag/obitag.go

@@ -1,11 +1,12 @@
 package obitag
 
 import (
-	"log"
 	"math"
 	"strconv"
 	"strings"
 
+	log "github.com/sirupsen/logrus"
+
 	"git.metabarcoding.org/lecasofts/go/obitools/pkg/obialign"
 	"git.metabarcoding.org/lecasofts/go/obitools/pkg/obiiter"
 	"git.metabarcoding.org/lecasofts/go/obitools/pkg/obikmer"