relax SVN archive

Bug fix for the R_to_euler_zyz() function.

This matches the important bug fix in the R_euler_zyz() function.

Removed the incorrect part of the R_euler_zyz() docstring.

Fix for the R_euler_zyz() function.

The rotations were being performed in the opposite direction?!?

Fixes for the R_euler_zyz() unit tests.

Added some unit tests for the R_euler_zyz() function.

This tests some basic axis rotations.

Fix for the __update_model() method.

The theta_axis, phi_axis, and theta_cone params were not being added to the parameter array!

Improved and expanded the output of the print_frame_order_2nd_degree() function.

The print out can now be in integer form, dots can replace zeros, and commas between elements are
now optional. Matrix forms are also converted to array forms.

The print_frame_order_2nd_degree() function now accepts the epsilon arg.

This allows zero to be defined differently making the printout nicer.

Fix for the new daeg_to_rotational_superoperator() function.

The frame order matrix shape is now restored.

Added a function for converting the frame order matrix to the rotational superoperator.

The function is called daeg_to_rotational_superoperator().