Merge branch 'review-cache'

Author: lkrms

src/Exception/IncompatibleRuntimeEnvironmentException.php

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+namespace Lkrms\Exception;
+
+/**
+ * Thrown when something is wrong with PHP's runtime environment
+ */
+class IncompatibleRuntimeEnvironmentException extends \Lkrms\Exception\Exception {}