Release of v5.0.0-rc1

Improved the Schema Table update engine (more). Fix autoloader timing, and loading. Implement the Joomla Powers in JCB code, to move away from JClasses.

libraries/phpspreadsheet/vendor/psr/simple-cache/src/CacheException.php

@@ -1,10 +0,0 @@
-<?php
-
-namespace Psr\SimpleCache;
-
-/**
- * Interface used for all types of exceptions thrown by the implementing library.
- */
-interface CacheException
-{
-}