Fixes

• Fixes update process: so far Paw was unable to update itself, it's now fixed (for upcoming updates, you will still need to update manually for this version)
• Fixes major visual bug when switching between Body Form URL-Encoded or Multipart requests
• Adds the ability to disable in the Preferences the support of Internationalized Domain Names and URL Encoding of requests paths, which lead to some confusions
• Fixes bug that removed some URL encodings in URL parameters
• ...and some other minor fixes