[TEST] Lex: added lexicalCast and appendNumber tests
[TEST] Lex: added lexicalCast and appendNumber tests

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