Don't use inspect.getargspec on Python 2.
Close log file objects on exit.
Close os.devnull file objects on exit.
Close the listener socket used to get endpoints info from adapter.
Fix invalid escape sequences.
Run tests with Python warnings treated as errors.
Fix Django deprecation warning in test web app.
Work around pytest issues caused spaces in test names.
Fix launcher not propagating debuggee exit code.
Fix attach-by-PID without explicit --log-dir overriding PTVSD_LOG_DIR (and disabling logging).
Improve test logging, with a separate directory for every test.
Various test fixes.
Fix Flask and Django multiprocess tests.
Fix test logs not being captured by pytest.
Fix "import debug_me" check improperly applied in tests where it is unnecessary.
Fix some clarifying patterns not respecting the underlying pattern.
Add pattern helpers for strings: starting_with, ending_with, containing.
Move DAP test helpers to a separate module, and add a helper for frames.
Add support for line markers when setting breakpoints and matching frames.
Assorted test fixes around handling of Unicode and paths.
* Update ANY to some
* Refactor breakpoint lines in tests
* Replace old import and emable debug with debug_me
* Remove unused code
* Fix some linter issues
* Change from some.such_that to some.str.such_that
* Linting with black
