Version 4.9.0-rc release (#133)

* Version 4.9.0-rc-v2-21.1.01 release

* removed non-exist oauth test run from travis

Co-authored-by: DevCenter-DocuSign <dcdev@docusign.com>
Co-authored-by: dhaval.brahmbhatt <dhaval.brahmbhatt@docusign.com>

.travis.yml

@@ -8,4 +8,4 @@ sudo: false
 php:
     - 7.4
 before_install: "composer install --ignore-platform-reqs"
-script: "cd test && phpunit UnitTests.php && phpunit OAuthTests.php"
+script: "cd test && phpunit UnitTests.php"

CHANGELOG.md

@@ -3,6 +3,13 @@ All notable changes to this project will be documented in this file.
 
 See [DocuSign Support Center](https://support.docusign.com/en/releasenotes/) for Product Release Notes.
 
+## [4.9.0-rc] - eSignature API v2-21.1.01 - 2021-04-08
+### Changed
+
+*   Added nullable properties for the default initialization.
+*   Added support for version v2-21.1.01 of the DocuSign eSignature API.
+*   Updated the SDK release version.ccessed without initializing.
+
 ## [4.8.0-rc] - eSignature API v2-20.4.01 - 2021-01-15
 ### Changed