title: jQuery tablesorter - Not sorting column with formatted currency value
body: <p>jQuery 1.7.1 &amp; tablesorter plugin - I have a currency column with thousand separators and values like $52.00  $26.70  $100.00  $50.00  $1,002.00  $1,102.00. When I try to sort getting sorted in the following way, </p>
  
  <pre><code>   $1,002.00  
     $1,102.00
     $26.70
     $50.00
     $52.00
     $100.00
  </code></pre>
  
  <p>Need values like,</p>
  
  <pre><code>   $26.70
     $50.00
     $52.00
     $100.00
     $1,002.00  
     $1,102.00
  </code></pre>
  
  <p>Tried many solutions mentioned here, but no success.</p>