update v1.0.7.9 R.C.

This is a Release Candidate. We are still testing.

vendor/zendframework/zend-stdlib/doc/book/index.html

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+<div class="container">
+  <div class="jumbotron">
+    <h1>zend-stdlib</h1>
+    
+    <p>SPL extensions, array utilities, error handlers, and more.</p>
+
+    <pre><code class="language-bash">$ composer require zendframework/zend-stdlib</code></pre>
+  </div>
+</div>
+