title: How to fill a checkbox, and Radiobuttons with FluentLenium?
body: <p>I'm testing FluentLenium.</p>
  
  <p>I found  "fill("#sb_form_q").with("FluentLenium");" for input(s).</p>
  
  <p>I want check and uncheck Checkbox.</p>
  
  <p>I want choose a radiobutton in a group.</p>
  
  <p>How to do ?</p>