v1.2.1
This release updates citations in the data-files, and fixes the gen_seq help text with the correct syntax. In addition the README has been updated with more links, and a better functionality description. It also includes a future fix for the deferred file-writer syntax change. In addition the PSS martini2 and GROMOS polyvinyl data files have been updated to fix style issues and one bug. This is the official release to go along with the publication of the polyply paper.