[1.1.1] Fixed bug in plotAmpliconCoverage(). [1.1.2] Added method for calculating Ti/Tv ratios. [1.3.1] Added method readSFF to read-in Roche's .sff (Standard Flowgram Format) files Added functions for quality control on unaligned sequences in SFFContainer, ShortReadQ and QualityScaledDNAStringSet format Added a function to write files in FASTQ format from SFFContainer