improved download document example

Author: alex.khalevine

examples/download_document.rb

@@ -2,8 +2,10 @@
 
 client = Eversign::Client.new
 
-for document in client.get_all_documents()
-  client.download_raw_document_to_path(document.document_hash, 'raw.pdf')
-  client.download_final_document_to_path(document.document_hash, 'final.pdf')
-  break
-end
+documents = client.get_all_documents()
+
+# paradox discovered: documents.first is actually last added document
+document = documents.first
+
+client.download_raw_document_to_path(document.document_hash, 'raw.pdf')
+client.download_final_document_to_path(document.document_hash, 'final.pdf')