change width of bins to 1dB
add maximum_percentage kwarg for PPSD.plot
PPSD support for segments of arbitary length
enhance doc for new kwargs in PPSD.__init__
add changelog for PPSD
add former binning value to test setup
change list to tuple
PPSD: add more infos in changelog
citation
citations with sphinx links in docstrings
Merge pull request #627 from trichter/ppsd_length+scale

PPSD scale of colorbar + adjustable FFT length