(from v1.6.x branch, missing from master)
Bio::SeqIO::msout api_version 1.1.8
    msout can now output sequences with arbitrary finite lengths by
    mapping the haplotypes to a sequence of length n_sites.

    Thanks to Filipe G. Vieira <fgvieira@berkeley.edu> for the idea
    and code.
fix fussy test
Some cleaning of trailing spaces, added missing Changes
and bumped version to current Bio::Root::Version