Hunter

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* Fixed :func:`hunter.And` and :func:`hunter.Or` "single argument unwrapping".
* Implemented predicate compression. Example: ``Or(Or(a, b), c)`` is converted to ``Or(a, b, c)``.
* Renamed :attr:`hunter.event.Event.source` to :attr:`hunter.event.Event.fullsource`.
* Added :attr:`hunter.event.Event.source` that doesn't do any fancy sourcecode tokenization.
* Fixed :attr:`hunter.event.Event.fullsource` return value for situations where the tokenizer would fail.
* Made the print function available in the ``PYTHONHUNTER`` env var payload.
* Added a __repr__ for :class:`hunter.event.Event`.

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* Disabled colors for Jython.
Contributed by Claudiu Popa in `12 <https://github.com/ionelmc/python-hunter/pull/12>`_.
* Test suite fixes for Windows.
Contributed by Claudiu Popa in `11 <https://github.com/ionelmc/python-hunter/pull/11>`_.
* Added an introduction section in the docs.
* Implemented a prettier fallback for when no sources are available for that frame.
* Implemented fixups in cases where you use action classes as a predicates.

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* Forgot to merge some commits ...

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* Added handling for internal repr failures.
* Fixed issues with displaying code that has non-ascii characters.
* Implemented better display for ``call`` frames so that when a function has decorators the
function definition is shown (instead of just the first decorator).
See: `8 <https://github.com/ionelmc/python-hunter/issues/8>`_.

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* Added missing color entry for exception events.
* Added :attr:`hunter.event.Event.line` property. It returns the source code for the line being run.

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* Added color support (and ``colorama`` as dependency).
* Added support for expressions in :class:`hunter.actions.VarsPrinter`.
* Breaking changes:

* Renamed ``F`` to :func:`hunter.Q`. And :func:`hunter.Q` is now just a convenience wrapper for
:class:`hunter.predicates.Query`.
* Renamed the ``PYTHON_HUNTER`` env variable to ``PYTHONHUNTER``.
* Changed :class:`hunter.predicates.When` to take positional arguments.
* Changed output to show 2 path components (still not configurable).
* Changed :class:`hunter.actions.VarsPrinter` to take positional arguments for the names.
* Improved error reporting for env variable activation (``PYTHONHUNTER``).
* Fixed env var activator (the ``.pth`` file) installation with ``setup.py install`` (the "egg installs") and
``setup.py develop``/``pip install -e`` (the "egg links").