code: def verify(file)
              begin
                  @logger.debug("Verifying #{file}")
                  load(file, true)
                  return(true)
              rescue => error
                  @logger.error("Failed to verify #{file}: #{error.to_s}")
                  error.backtrace.each { |l| @logger.error("    #{l}") }
              end
          end
docs: Returns true if the file is loadable; uses the wrapper
   functionality of Kernel#load to protect the global namespace.