Patch Tester 4.0.0 Release Candidate

This release runs only on Joomla 4.

Fixes/improvements since last release:

• [#254] - Missing Language Srtring «COM_PATCHTESTER_HEADING_FETCH_DATA»
• [#231] - Bad data stuffed into the database
• [#232] - Drop Version Compatibility Code Since One Version Is Too Hard
• [#249] - [4.0] Use HttpFactory to fetch zip file from CI server
• [#234] - WTF is "patch chain"
• [#236] - JavaScript Changes For The Sake Of Change
• [#237] - Unexplained removal of script.php
• [#238] - Travis Badge Still Prominently Displayed
• [#246] - Issue #243 fix:Tip overlapped search box
• [#258] - Delete autoload_psr4.php when applying or reverting patches on Joomla 4 and later.
• [#260] - Update path to autoloader file to changes in J4
• [#261] - Clean up one more SQL file - most important one - from patchtester chain
• [#241] - [4.0] Fix PHP warning "failed to open stream: No such file or directory
• [#242] - [4.0] Fix applying patches failing on Linux hosts
• [#248] - Fix PHP notice in ResetController
• [Commit fa314fb] - Show filters if a filter is set
• [Commit 573f7aa] - Test composer autoloader on apply
• [Commit 5d97988] - Implement clearer instructions for using Token Authentication

All changes since the previous release can be viewed here