updating changelog

Author: havok2063

CHANGELOG.rst

@@ -6,7 +6,7 @@ Change Log
 
 This document records the main changes to the sdss_access code.
 
-1.1.1 (unreleasd)
+1.1.1 (2020-11-11)
 -----------------
 - Feature - Adds new functions for mwm `healpixgrp`, `apginst`, and `apgprefix` to determine other keywords from existing `telescope` kwarg
 - Support :issue:`25` - Adds ``preserve_envvars`` option to preserve original os environment variables