Merge pull request magento#640 from bohdan-harniuk/changelog-modifica…

…tion-before-release-4-1-0

Modified CHANGELOG before release 4.1.0

Merge pull request magento#622 from bohdan-harniuk/code-cleanup-befor…

…e-4-0-0-version-release

Code cleanup before release v4.0.0

Merge pull request magento#580 from magento/576-`Java.lang.IllegalArg…

…umentException`_During_adding_a_new_method_into_an_existing_plugin

Fixed `Java.lang.IllegalArgumentException` During adding a new method…

Merge pull request magento#568 from Iamwade/back-port-fixed-directory…

…-creation-error

Fixed the bug of creating a subdirectory

Merge pull request magento#521 from magento/mainline-entity-manager

Code generator for a Magento Entity

Merge pull request magento#504 from anzin/fix-bug-invalid-check-setup…

…-version

Fixed bug invalid check setup_version

Merge pull request magento#496 from magento/BRN-495-Array_access_exce…

…ption_when_using_copy_path

495: Fixed the array access exception when using copy path

Merge pull request magento#485 from magento/fixed-null-pointer-copy-path

Fixed null pointer on the copy path action

Merge pull request magento#466 from magento/pre-release-3.1.0

Pre release 3.1.0

Merge pull request magento#448 from magento/445-NoninterceptableInter…

…face

445: Covered the NoninterceptableInterface case by plugin inspection …