Bring back use hex instead of external crate.
//! If needed, the request will be re-issued to a temporary redirect endpoint. This can happen with
//! newly created S3 buckets not in us-standard/us-east-1.
-extern crate hex;
-
use std::collections::BTreeMap;
use std::collections::btree_map::Entry;
use std::str;
@@ -17,6 +15,7 @@ use sha2::{Digest, Sha256};
use time::Tm;
use time::now_utc;
use url::percent_encoding::{utf8_percent_encode, percent_decode, EncodeSet};
+use hex;
use param::Params;
use region::Region;
