Review feedback from JOSS, see https://github.com/openjournals/joss-reviews/issues/1603 (paper improvements, include quick instructions, harden tests when crandeps.r-pkg.org is not available, add CONTRIBUTING.md, improve pkgdown site)
containerit 0.5.0 (2019-07-19)
Initial release with support for creating a Dockerfile from sessionInfos (objects, stored in files) and installing packages from CRAN, Bioconductor, and GitHub