updates for release

Author: mikaelcom

CHANGELOG.md

@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## 5.0.0 - 2021/02/xx
+## 5.0.0 - 2021/02/05
 - Issue #13 - Auto initialize AbstractStructArrayBase::internArray
 - BC: read [UPGRADE-5.0.md](/UPGRADE-5.0.md)
 

UPGRADE-5.0.md

@@ -1,6 +1,6 @@
 # UPGRADE FROM 4.0 to 5.0
 
-Internal properties and methods are now private:
+Internal properties and methods of [AbstractStructArrayBase](/src/AbstractStructArrayBase.php) are now private:
 - Properties:
   - $internArray
   - $internArrayIsArray
@@ -14,4 +14,4 @@ Internal properties and methods are now private:
   - getInternArrayIsArray
   - setInternArrayIsArray
 
-You don't have to manually call `initInternArray` before looping on the current object.
+You don't have to manually call `initInternArray` before looping on the current object, it's done automatically.