foodcoops/foodsoft — pull request #272 by wvengen (2014-03-11 16:38:39+00:00)
Title: use ruby-units for unit parsing

fixes #200

p.s. Note that [ruby-units](https://github.com/olbrich/ruby-units) depends on [mathn](http://www.ruby-doc.org/stdlib-2.1.1/libdoc/mathn/rdoc/), which affects how Ruby handles some math. Tests pass, so I expect no further problems, though.