Pygrametl

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**Fixed**
Using other parameter styles than ``pyformat`` no longer causes a crash in
``ConnectionWrapper``.

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**Added**
A new quick start guide was added to the documentation.

Added code examples for all classes in pygrametl except ``Steps``.

pygrametl now officially supports Python 2.6.X, Python 2.7.X, Python 3, Jython
2.5.X and Jython 2.7.X.

``BulkDimension`` a new class that supports bulk loading of dimension tables.

``_BaseBulkloadable`` with common functionality for ``BulkFactTable`` and
``BulkDimension``.

``SQLSource`` can now pass parameters to the cursor's ``execute`` function.

**Fixed**
Importing everything from ``tables`` using a wildcard now longer causes a
crash.

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**Added**
Created a PyPI package and uploaded it to `pypi.python.org/project/pygrametl
<https://pypi.python.org/project/pygrametl>`_.

Added code examples for some of the classes in pygrametl.

**Changed**
Documentation is now written in reStructuredText and compiled using Sphinx.