Release 1.4.0

1.4.0

• Total issues resolved: 0
• Total pull requests resolved: 9
• Total contributors: 4

Improvement

• 324: Modernise project thanks to @alcaeus
• 320: Enhancement: Validate composer.json thanks to @localheinz
• 319: Enhancement: Normalize composer.json thanks to @localheinz
• 318: Fix: No need to update composer itself thanks to @localheinz
• 317: Enhancement: Reference phpunit.xsd as installed with composer thanks to @localheinz
• 316: Enhancement: Keep packages sorted in composer.json thanks to @localheinz
• 315: Enhancement: Use SVG badge for Travis build status thanks to @localheinz
• 299: CI: Test against PHP 7.3 thanks to @Majkl578
• 289: clean up phpcr executor thanks to @dbu