mem() improved calculation linux

docs/history.html

@@ -84,7 +84,12 @@
                 </thead>
                 <tbody>
                   <tr>
-                    <th scope="row">4.15.0</th>
+                    <th scope="row">4.15.2</th>
+                    <td>2019-11-10</td>
+                    <td><span class="code">mem()</span> improved calculation linux</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">4.15.1</th>
                     <td>2019-11-10</td>
                     <td><span class="code">diskLayout()</span> added support for older lsblk versions (linux)</td>
                   </tr>

docs/index.html

@@ -168,7 +168,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.15.1</span></div>
+      <div class="version">Current Version: <span id="version">4.15.2</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">