fix: Solving unsanitized data left.

Issues #1 and #4

php/home.php

@@ -13,7 +13,7 @@
                 <?php endif; ?>
             </header>
             <?php if ($page->coverImage()): ?>
-                    <img src="<?php echo $page->coverImage() ?>" alt="<?php echo $page->slug(); ?>"/>
+                    <img src="<?php echo htmlentities($page->coverImage(), ENT_QUOTES | ENT_HTML401); ?>" alt="<?php htmlentities(echo $page->slug(), ENT_QUOTES | ENT_HTML401); ?>"/>
             <?php endif ?>
 
             <?php echo $page->content() ?>

php/page.php

@@ -18,7 +18,7 @@
         <?php echo $page->content() ?>
 
         <footer>
-            <?php echo $page->date() ?>
+            <?php echo htmlentities($page->date()); ?>
         </footer>
     </article>
 </section>