- function `analyis.format.fq_qual_var()` added for detecting the FASTQ quality encoding format - `help` module added command-line help message - class `fastq` added for FASTQ related functions
0.3
- bar-dot plot function added - command-line help message class added - [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3698146.svg)](https://doi.org/10.5281/zenodo.3698146)