feat(inser): include options (#90)

Commit 79f5ab4 added support for
`with_option()` and this commit includes those options also in the URL
of inserts.

src/insert.rs

@@ -79,6 +79,10 @@ impl<T> Insert<T> {
             pairs.append_pair("decompress", "1");
         }
 
+        for (name, value) in &client.options {
+            pairs.append_pair(name, value);
+        }
+
         drop(pairs);
 
         let mut builder = Request::post(url.as_str());