Refresh dependencies and refactor code

[mdmintz]

Refresh dependencies and refactor code

• Refresh Python dependencies
  --> This includes a selenium upgrade.
• Update Python dependencies
  --> Update the previous dependency change.
• Update UC Mode / CDP Mode
  --> Includes improved error-handling.
  --> Adds quit() as a duplicate of stop().
• Refactor the code
  --> Lots of various cleanup.
• Update the pure CDP Mode examples
  --> Add stop() to quit browser directly.