title: Max image size on file upload
body: <p>I have an ImageField in my form. How would I enforce a file size min/max, something like --</p>
  
  <pre><code>image = forms.ImageField(max_size = 2MB) 
  </code></pre>
  
  <p>or </p>
  
  <pre><code>image = forms.ImageField(min_size = 100k)
  </code></pre>
  
  <p>Thank you.</p>