chore: ready for v5.0.0 release [skip-ci]

Author: FGRibreau

composer.json

@@ -24,7 +24,7 @@
   "polar"
 ],
   "homepage": "https://github.com/",
-  "license": "Image-Charts",
+  "license": "MIT",
   "require-dev": {
     "phpunit/phpunit": "^7.0"
   },

coverage/ImageCharts.php.html

@@ -1480,7 +1480,7 @@ <h4>Legend</h4>
      <span class="warning"><strong>Dead Code</strong></span>
     </p>
     <p>
-     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:28:45 UTC 2020.</small>
+     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:31:11 UTC 2020.</small>
     </p>
     <a title="Back to the top" id="toplink" href="#"><span class="glyphicon glyphicon-arrow-up"></span></a>
    </footer>

coverage/ImageCharts.test.php.html

@@ -607,7 +607,7 @@ <h4>Legend</h4>
      <span class="warning"><strong>Dead Code</strong></span>
     </p>
     <p>
-     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:28:45 UTC 2020.</small>
+     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:31:11 UTC 2020.</small>
     </p>
     <a title="Back to the top" id="toplink" href="#"><span class="glyphicon glyphicon-arrow-up"></span></a>
    </footer>

coverage/dashboard.html

@@ -136,7 +136,7 @@ <h3>Project Risks</h3>
    <footer>
     <hr/>
     <p>
-     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:28:45 UTC 2020.</small>
+     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:31:11 UTC 2020.</small>
     </p>
    </footer>
   </div>

coverage/index.html

@@ -131,7 +131,7 @@ <h4>Legend</h4>
      <span class="success"><strong>High</strong>: 90% to 100%</span>
     </p>
     <p>
-     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:28:45 UTC 2020.</small>
+     <small>Generated by <a href="https://github.com/sebastianbergmann/php-code-coverage" target="_top">php-code-coverage 5.3.2</a> using <a href="https://secure.php.net/" target="_top">PHP 7.1.17</a> with <a href="https://xdebug.org/">Xdebug 2.5.5</a> and <a href="https://phpunit.de/">PHPUnit 6.5.13</a> at Thu May 14 22:31:11 UTC 2020.</small>
     </p>
    </footer>
   </div>

junit.xml

@@ -1,7 +1,7 @@
 
 
 Code Coverage Report:     
-  2020-05-14 22:28:45     
+  2020-05-14 22:31:11     
 
  Summary:                 
   Classes: 100.00% (1/1)