Updated the teardown function to revert the global logging level to DEBUG.
Added a tests to check control over timestamps.
Added tests for timestamps. Reorganized slightly to extract certain assertions into their own tests.
Version bump: 0.9.6. Added a function isVerbose to answer if an instance has verbosity enabled.
Added tests to test control over verbosity.
Removed some duplicate control tests.
Seperated the tests for the global enabling/disabling of logging.
Better organized all tests to cover a specific aspect per test.