Extend sphere and wedge transition

[knelli2]

Proposed changes

Allows the sphere and wedge shape map transition function to be extended outside the inner and outer radii/surfaces. This will be needed for BBH ringdown transition and also for extrapolating into excision spheres.

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Further comments

[knelli2]

@nilsvu Pushed a fixup for the Wedge transition as well

[knelli2]

@nilsvu Ok squashed in my fix and added a commit that will actually print a full numpy array if an input file test fails again.

[nilsvu]

Raise the original exception