Python-color-logger

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- Added encoding support to ColorizingStreamHandler.

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- Improvements in QueueListener implementation.
- Added redis module with RedisQueueHandler and
RedisQueueListener.
- Added unit test for a handler in a module
where absolute imports are used.

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- Improvements in setup.py and documentation.

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- Added caches for BraceMessage/DollarMessage.
- Added ColorizingStreamHandler.

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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.

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First public release.