Release v0.8.0

Changes

• Integrate pangolin for lineage determination.
• Integrate VAFator to annotate mutations with Variant Allele Frequency and subsequently classify them into clonal, intrahost or low frequency mutations.
• Remove unnecessary --chromosome parameter, this is now inferred from the reference.
• Transform iVar output table into VCF format and postprocess it similarly to other VCFs.
• Conda dependencies are now modular which minimises collisions of dependencies.
• Improve automated tests.
• Support for other virus than SARS-CoV-2 is now tested!