3.3.3 - Proxy PAC features and bug fixes

Proxy PAC features and bug fixes

• Add option to set proxy settings via PAC URL
  --> --proxy-pac-url=URL.pac
  --> --proxy-pac-url=USER:[email protected]
  --> This resolves #1380
• Fix issue where pytest.ini was ignored for some options
  --> This resolves #1379
• Fix issue with Recorder Mode and quotes in URLs
  --> This resolves #1381
• Refresh Python dependencies