message: Added docs for [load|from]_indicators()
diff: @@ -233,6 +233,10 @@ table.hovertable td {
  <td title="Fills missing values"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/fill_missing.html">fill_missing</a>( 2 )</td>
  </tr>
  + <tr class="item" onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
  + <td title="Generates categorical column from one-hot indicators"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/load_indicators.html">from_indicators</a></td>
  + </tr>
  +
  <tr class="item" onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
  <td title="Restores the DataFrame from a string"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/read.html">from_string</a>( )</td>
  </tr>
  @@ -377,6 +381,10 @@ table.hovertable td {
  <td title="Loads index column"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/load_index.html">load_index</a>( 2 )</td>
  </tr>
  + <tr class="item" onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
  + <td title="Generates and loads one-hot indicators"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/load_indicators.html">load_indicators</a></td>
  + </tr>
  +
  <tr class="item" onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
  <td title="Loads result of a visitor (i.e. algorithm) as a column"><a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/load_column.html">load_result_as_column</a>( )</td>
  </tr>
  