[FEATURE] Finder: added OccurrencesCounter functor
[FEATURE] Finder: added OccurrencesCounter functor

ktrappe/seqan,PF2-pasteur-fr/seqan,xp3i4/seqan,h-2/seqan,bayolau/seqan,bayolau/seqan,hannespetur/SeqAnHTS,h-2/seqan,JohnReid/seqan,xp3i4/seqan,catkira/seqan,limeng12/seqan,ktrappe/seqan,ktrappe/seqan,PF2-pasteur-fr/seqan,bestrauc/seqan,PF2-pasteur-fr/seqan,xp3i4/seqan,PF2-pasteur-fr/seqan,JohnReid/seqan,PF2-pasteur-fr/seqan,hannespetur/SeqAnHTS,bayolau/seqan,JohnReid/seqan,limeng12/seqan,limeng12/seqan,ktrappe/seqan,xenigmax/seqan,xenigmax/seqan,hannespetur/SeqAnHTS,bayolau/seqan,budach/seqan,JohnReid/seqan,bayolau/seqan,bestrauc/seqan,catkira/seqan,xenigmax/seqan,h-2/seqan,JohnReid/seqan,h-2/seqan,h-2/seqan,hannespetur/SeqAnHTS,ktrappe/seqan,budach/seqan,budach/seqan,h-2/seqan,catkira/seqan,limeng12/seqan,limeng12/seqan,bestrauc/seqan,hannespetur/SeqAnHTS,PF2-pasteur-fr/seqan,xp3i4/seqan,bestrauc/seqan,limeng12/seqan,bayolau/seqan,xenigmax/seqan,catkira/seqan,xp3i4/seqan,PF2-pasteur-fr/seqan,JohnReid/seqan,PF2-pasteur-fr/seqan,JohnReid/seqan,xp3i4/seqan,budach/seqan,xenigmax/seqan,xenigmax/seqan,PF2-pasteur-fr/seqan,budach/seqan,JohnReid/seqan,budach/seqan,h-2/seqan,ktrappe/seqan,bestrauc/seqan,bayolau/seqan,hannespetur/SeqAnHTS,ktrappe/seqan,catkira/seqan,xp3i4/seqan,bestrauc/seqan,limeng12/seqan,catkira/seqan,catkira/seqan,JohnReid/seqan,limeng12/seqan,hannespetur/SeqAnHTS,bayolau/seqan,bayolau/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,xp3i4/seqan,h-2/seqan,ktrappe/seqan,budach/seqan,xenigmax/seqan,bestrauc/seqan,xp3i4/seqan,limeng12/seqan,ktrappe/seqan,h-2/seqan,budach/seqan,catkira/seqan,budach/seqan,catkira/seqan,bestrauc/seqan,hannespetur/SeqAnHTS