v0.3.7

• Added option --aa to goalign stats mutations list
• Added option--reverse to goalign clean sites
• Added multi characters to option --char of goalign clean sites
• goalign extract supports '-' strand sequences
• Added option --ref-seq option to goalign translate and goalign extract --translate
• Added option --posfile to goalign replace: to replace specific characters at specific positions of specific sequences in an input alignment
• Added AB model (https://doi.org/10.1093%2Fmolbev%2Fmsu340)
• Updated LG model
• Added option -l to goalign concat to keep information of the coordinates of all input alignments in the concatenated alignment