title: singularity css grids add one gutter to the width
body: <p>Is it possible to add one gutter-width to the overall width to the grid ?</p>
  
  <p><strong>Example:</strong></p>
  
  <pre><code>@include add-grid(2);
  @include add-gutter(1/2);
  @include sgs-change('output', 'float');
  </code></pre>
  
  <p>You have a floating 2 column layout with a 1/2 gutter. Singulartiy calculates with 100% width. If you not defining the last item, all the elements would be on the left. It is not clear what the last element is. So i have to expand the grid by one gutter (So all elements would show correctly) and then add the gutter width to the main container.</p>
  
  <p>So I would need to build a grid like this:</p>
  
  <pre><code>@include add-grid(2 2 1);
  @include add-gutter(1);
  </code></pre>
  
  <p>to have the same effect. Does anything exist to do this in a "nice" way ?</p>