Merge pull request #149 from rnelson0/patch-1

Add rgen as a runtime dependency

Author: eputnam

puppet-strings.gemspec

@@ -19,5 +19,6 @@ Gem::Specification.new do |s|
   s.files = `git ls-files`.split("\n") - Dir['.*', '*.gemspec']
 
   s.add_runtime_dependency 'yard', '~> 0.9.5'
+  s.add_runtime_dependency 'rgen'
   s.requirements << 'puppet, >= 3.7.0'
 end