[skip ci] Changelog updated for 1.3.7

Author: Chris Wiechmann

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+## [1.3.7] 2021-04-19
 ### Fixed
 - apim.sh fails if CWD has a space (See issue [#160](https://github.com/Axway-API-Management-Plus/apim-cli/issues/160))
 - Streams not closed bring to a FileSystemException (See issue [#161](https://github.com/Axway-API-Management-Plus/apim-cli/issues/161))
@@ -13,10 +13,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Export-Error when using a Custom-Properties-Model for APIs/Apps/Orgs (See issue [#163](https://github.com/Axway-API-Management-Plus/apim-cli/issues/163))
 
 ### Added
-- Resolve system environment variables in property files (See issue [#166](https://github.com/Axway-API-Management-Plus/apim-cli/issues/166))
+- Resolve system environment variables in environment property files (See issue [#166](https://github.com/Axway-API-Management-Plus/apim-cli/issues/166))
 - Support for API-Management 7.7-2021-March release (See issue [#167](https://github.com/Axway-API-Management-Plus/apim-cli/issues/167))
 
-## [1.3.6] 2020-03-16
+## [1.3.6] 2021-03-16
 ### Fixed
 - Avoid NPE if given OAuth-Provider Profile is invalid (See issue [#143](https://github.com/Axway-API-Management-Plus/apim-cli/issues/143))
 - Actual API-Lookup when using additional criteria V-Host and QueryRoutingVersion (See issue [#151](https://github.com/Axway-API-Management-Plus/apim-cli/issues/151))