I recommend that you pull the current main branch. That will soon be tagged as the WeBWorK-2.17+ branch, and is 2.17 with all hot fixes. There have been several hot fixes since the initial release.
Installation
WeBWorK 2.17 bootstrap.css not compiled
This forum has a limit to the number of forum postings you can make in a given time period - this is currently set at 5 posting(s) in 1 day