Merge pull request #67 from okgrow/master

Use `\A` and `\z` to match beginning and end of string

Author: visoft

lib/ruby_odata/service.rb

@@ -101,7 +101,7 @@ def execute
     rescue Exception => e
       handle_exception(e)
     end
-    return Integer(@response.body) if @response.body =~ /^\d+$/
+    return Integer(@response.body) if @response.body =~ /\A\d+\z/
     handle_collection_result(@response.body)
   end