Do not set type hint and return type "mixed" on PHP < 8 (phpro#322)

Mixed is not a valid type on PHP < 8

Version 1.4.0

Merge pull request phpro#324 from edudobay/fix_bc_laminas_code_3_5_0

Fix BC break from laminas-code 3.5.0 (phpro#323)

Fix method generation for those who don't have arguments (phpro#315)

* fix method generation for those who don't have arguments

Version 1.3.0

RemoveEmptyNodesMiddleware: reduce till evelope body (phpro#287)

Merge pull request phpro#285 from ro0NL/patch-1

Update Psr7Converter.php

Version 1.1.2

Version 1.1.1

Version 1.1.0