[FIX] fixed concurrency bug
[FIX] fixed concurrency bug

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