v0.3.3a

• Added support for IUPAC characters for translatecommand
• Added --ref-seq option to goalign subseqto give coordinate based on a given sequence
• Added consensuscommand (simple majority consensus)
• Added goalign stats gaps and goalign stats mutations commands
• Added option --per-sequences to stats char command
• Added option --unaligned to sample seqs, sample rarefy and goalign replace commands
• Added goalign append command to concatenate alignments vertically
• goalign compute distance takes into account ambigous IUPAC characters for nucleotide distance computation (counting one mutation if characters are incompatibles, such as R and Y for example)