Summary of important user-visible changes for releases of the quaternion package

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quaternion-2.0.0   Release Date: 2012-03-28   Release Manager: Lukas Reichlin
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** First official release.  Its main features are:
   -- Matrices and n-dimensional arrays of quaternions.
   -- Overloaded operators due to the use of classes.
   -- Operator semantics similar to Octave’s built-in complex numbers.
   -- Vectorized code for crunching large quaternion arrays in a speedy manner.


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