Updated tests and examples (Closing the last tab in modern Chromium also closes the browser.).
Removed usage of deprecated setRequestInterceptionEnabled in examples.
Fixed tab.py to handle empty or incorrect JSON (empty or incorrect JSON triggers an exception in the threading library, leading to a high number of warnings in tests; after this fix, the number of warnings in tests decreases from 15 to 2)
Updated tests and examples (Closing the last tab in modern Chromium also closes the browser.). Removed usage of deprecated setRequestInterceptionEnabled in examples. Fixed tab.py to handle empty or incorrect JSON (empty or incorrect JSON triggers an exception in the threading library, leading to a high number of warnings in tests; after this fix, the number of warnings in tests decreases from 15 to 2)