pyobject: rename whatmethods to methods (fixes #21) Usually `methods` would give the methods of the Octave class. Here we use it to get the properties/callables of a Python object. Add documentation which explains how to get the former behaviour. Add BIST. @pyobject/pyobject.m: remove original function @pyobject/methods.m: new file

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David Grundberg
Håkan Fors Nilsson
Jaroslav Hájek