Merge pull request #348 from meatballhat/better-handling-of-string-and-array-every

Slightly better handling of string and array forms of `every`

Author: Matteo Centenaro

lib/resque_scheduler/server.rb

@@ -63,14 +63,10 @@ def schedule_interval(config)
           end
 
           def schedule_interval_every(every)
-            s = 'every: '
-            if every.respond_to?(:first)
-              s << every.first
-            else
-              s << every
-            end
+            every = [*every]
+            s = 'every: ' << every.first
 
-            return s unless every.respond_to?(:last) && every.length > 1
+            return s unless every.length > 1
 
             s << ' ('
             meta = every.last.map do |key, value|