Modernized constructors and added return types for PHP compatibility#239

atillavanilla wants to merge 3 commits intodocusign:masterdocusign/docusign-esign-php-client:masterfrom

atillavanilla:v8.2.0-v2.1-25.1.00.02atillavanilla/docusign-esign-php-client:v8.2.0-v2.1-25.1.00.02Copy head branch name to clipboard