Big change iin the data model, and a first version of obiuniq

pkg/obiseq/revcomp.go

@@ -5,13 +5,13 @@ var __revcmp_dna__ = []byte(".TVGHEFCDIJMLKNOPQYSAABWXRZ#!][")
 
 // Reverse complements a DNA sequence.
 // If the inplace parametter is true, that operation is done in place.
-func (sequence BioSequence) ReverseComplement(inplace bool) BioSequence {
+func (sequence *BioSequence) ReverseComplement(inplace bool) *BioSequence {
 
 	if !inplace {
 		sequence = sequence.Copy()
 	}
 
-	s := sequence.sequence.sequence
+	s := sequence.sequence
 
 	for i, j := sequence.Length()-1, 0; i >= j; i-- {