Fixing issue philnash#12

lib/bitly/v3/client.rb

@@ -63,7 +63,7 @@ def info(input)
       #
       # Returns the results in the order they were entered
       def lookup(input)
-        input = [input] if input.is_a?(String)
+        input = arrayize(input)
         query = input.inject([]) { |query, i| query << "url=#{CGI.escape(i)}" }
         query = "/lookup?" + query.join('&')
         response = get(query)
@@ -109,6 +109,14 @@ def clicks_by_day(input)
       end
 
       private
+
+      def arrayize(arg)
+        if input.is_a?(String)
+          [input] 
+        else
+          input.dup
+        end
+      end
 
       def get(method, opts={})
         opts[:query] ||= {}
@@ -138,7 +146,7 @@ def get_single_method(method, input)
       end
 
       def get_method(method, input)
-        input = [input] if input.is_a? String
+        input = arrayize(input)
         query = input.inject([]) do |query,i|
           if is_a_short_url?(i)
             query << "shortUrl=#{CGI.escape(i)}"
@@ -165,4 +173,4 @@ def get_method(method, input)
       end
     end
   end
-end
+end