Update CHANGELOG.rst

Fix typo with changelog

CHANGELOG.rst

@@ -7,7 +7,7 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog <https://keepachangelog.com>`_.
 
 
-0.5.0
+1.0.0
 -----
 - This release re-implements the joint model as a using a generalized lasso, and bit-flipping, as described in `#156 https://github.com/matsengrp/multidms/issues/156`_. Please see the issue for more detailed description about how, and why these changes were made. Note that this changes the parameters that one may get from the model including a set of beta's for each experimental condition.
 - It also cleans up various TODO's in the code as checked-off in `# https://github.com/matsengrp/multidms/issues/153`.