v0.3.0-alpha

• Added bash/zsh completion
• Go 1.10.3
• Added dedup command to remove duplicate sequences
• Changed trim seq command line option --from-start,-s to --from-left,-l
• Changed seed option, now only --seed for all commands
• Corrected exit status / exit points
• Added a "console" mode, when goalign is called without any arguments
• Changed alignment data structure using anonymous fields
• Added sub-command alphabet to command stats
• Added command codonalign to align a given nucleotide fasta file using a corresponding protein alignment
• Added command ìdentical` to assess whether two alignments are identical