updates to readme and changelog for 0.4.1 release

Author: manishobhatia

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.4.1 - 2019-07-03
+### Fixed
+- Reduced memory footprint by removing tokens not meeting match threshold  
+
 ## 0.4.0 - 2019-04-19
 ### Added
 - Element Variance. This allows multiple ElementTypes to be added in same document. Addresses [issue](https://github.com/intuit/fuzzy-matcher/issues/1)

README.md

@@ -117,7 +117,7 @@ The library is pusblished to maven central
 <dependency>
     <groupId>com.intuit.fuzzymatcher</groupId>
     <artifactId>fuzzy-matcher</artifactId>
-    <version>0.4.0</version>
+    <version>0.4.1</version>
 </dependency>
 ```