arr2036/omnigollum — pull request #15 by sbleon (2013-09-27 19:08:36+00:00)
Title: Fix TypeError handling a nil param

This fixes this error that my users are getting:
TypeError - can't convert nil into String:
shared/bundle/ruby/1.9.1/bundler/gems/omnigollum-f7eca9daea6d/lib/omnigollum.rb:237:in `+'