minor ver bump

2.1.0 added to changelog

CHANGELOG.md

@@ -9,8 +9,18 @@ Before any major/minor/patch bump all unit tests will be run to verify they pass
 
 ## [Unreleased]
 
--   [x] delay now settable with keyword arg.
--   [x] type checks removed, prefer duck typing
+-   [ ]
+
+## [2.1.0] - 2022-11-08
+
+### Added
+
+-   delay keyword argument
+-   bounds checks for vals passed to lin_set/log_set
+
+### Removed
+
+-   type checks, prefer duck typing
 
 ## [2.0.0] - 2022-11-07