Merge pull request locutusjs#126 from imuller/patch-1

Update sha1.js

Author: brettz9

functions/strings/sha1.js

@@ -51,7 +51,7 @@ function sha1(str) {
   var A, B, C, D, E;
   var temp;
 
-  str = this.utf8_encode(str);
+  str = unescape(encodeURIComponent((str));
   var str_len = str.length;
 
   var word_array = [];
@@ -144,4 +144,4 @@ function sha1(str) {
 
   temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);
   return temp.toLowerCase();
-}
+}