5.1.0

• Added option to show open / delete buttons in session list
• Supported keyboard operation of session list
  • Select session with up / down key
  • Open session with shift + enter key
• Fixed issue where the height of the overflow menu was small
  • The small width is a Firefox issue
• Added option to adjust sidebar width
• Changed minimum and default values of popup width option
• Faster response when a session is selected
• Fixed problem where ignore URL option was not working