Pumpp

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- `61`_ Fixed an alignment bug in feature extractors

.. _61: https://github.com/bmcfee/pumpp/pull/61

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- `59`_ harmonic CQT
- `58`_ Sparse chord output for chord labels
- `57`_ Updated sampler bindings for Pump object

.. _59: https://github.com/bmcfee/pumpp/pull/59
.. _58: https://github.com/bmcfee/pumpp/pull/58
.. _57: https://github.com/bmcfee/pumpp/pull/57

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- `55`_ Refactored the `Sampler` class, added support for random states and the `SequentialSampler` class

.. _55: https://github.com/bmcfee/pumpp/pull/55

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- `51`_ Added named operator index to `Pump` objects

.. _51: https://github.com/bmcfee/pumpp/pull/51

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- `49`_ Added `Pump.layers` constructor for Keras layers on pump containers
- `47`_ Fixed a bug in `Sampler` that caused a shape mismatch on input/output tensors
when the input JAMS had multiple matching annotations for a given task.

.. _49: https://github.com/bmcfee/pumpp/pull/49
.. _47: https://github.com/bmcfee/pumpp/pull/47

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- Initial public release