internal version changed to 0.2.1; hp_space.get_plot modified; .gitignore updated.
extended functionality for projection_operator._multiply, docstring adjusted.
field.__len__ fixed: improved compatibility with numpy.ndarray.
powerspectrum.calc_ps_fast optimized; nifty_core adjusted; power_operator.get_power optimized by introduction of a power un(in)dex; weight_power added to nifty_power; docstrings revised.
field's L2-norm generalized to Lq-norm.
fixed: kwarg forwaring to draw_vector_nd; size keyword removed; power_operator.get_random_field replaced by super.
reference updated.
smooth_power routine extended.
smothness prior implemented in nifty_power.
in power_operator repleced len(set(pindex)) by max(pindex); pseudo info commented out and else added to projection_operator.pseudo_tr; several AttributeError changed to NotImplementedError.
demo_excaliwir updated; docstrings adjusted.
version update.