New option -md5.  Calculate the MD5 checksum for a given allele and anywhere this allele is named or marked U (in the file or the spreadsheet) replace this identifier with the MD5 value. If the sequence is just 'N's then mark it as 'N' (not U) - By Jyothish
Help modified and uncommented lib include - Jyothish
Merge pull request #40 from jyothishnt/master

New -md5 option