hadley/devtools — pull request #355 by yihui (2013-10-15 05:16:00+00:00)
Title: install packages that do not yet satisfy version requirements

at the moment, `install_deps()` does not check the version requirements, which is particularly bad when a package under development increases its dependency versions, and here is a patch that hopefully fills out the gap; please let me know if you have any questions or want me to do anything else