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- Updated docstrings for improved documentation.
- Added hasHanders() function.
- Changed LoggerAdapter.hasHandlers() to use logutils.hasHandlers().
- Documentation improvements.
- NullHandler moved to logutils package (from queue package).
- Formatter added to logutils package. Adds support for {}- and $-formatting
in format strings, as well as %-formatting.
- BraceMessage and DollarMessage classes added to facilitate {}- and $-
formatting in logging calls (as opposed to Formatter formats).
- Added some more unit tests.