Empact/roo — pull request #123 by rui-castro (2014-03-27 23:25:39+00:00)
Title: Fixes "NoMethodError (undefined method `text' for nil:NilClass)" issue when reading xlsx file (https://github.com/Empact/roo/issues/122)

Added test for nil in Roo::Excelx#read_hyperlinks to avoid error "NoMethodError (undefined method `text' for nil:NilClass)"