code: public List<String> findPaths(String searchIn, String include, String exclude) {
          return findPaths(searchIn, asCSVList(include), asCSVList(exclude));
      }
docs: Finds paths from a source path, allowing for include/exclude patterns,
  which can be comma-separated values of multiple patterns.
  
  Paths found are normalised by {@link StoryFinder#normalise(List<String>)}
  
  @param searchIn the source path to search in
  @param include the CSV include pattern, or <code>null</code> if none
  @param exclude the CSV exclude pattern, or <code>null</code> if none
  @return A List of paths found