CHANGES IN VERSION 1.6.0
-----------------------

NEW FEATURES

    o ASEset slot for Phase information 
    o generation of masked reference genomes
    o calculation of reference fraction 'refFraction'

CHANGES IN VERSION 1.2.0
-----------------------

NEW FEATURES

    o Faster getAlleleCounts()  

BUG FIXES

    o Fixed bug in the "realCigarPosition" function, that otherwise could generate an error.