added examples to docstrings
added statistic kw so imsd() can return <x>
added vanhove, which works for ensemble and individual
Really convenient nonlinear fitter.
Actually added the fitter
fixed index problem and other tweaks
started fit testing
removed detail kw from emsd
removed collective feature because it is trivial. basic test works.
Merge branch 'fitting'
improved docstring
Merge branch 'fitting'
moved fit_powerlaw into fitting.py
return powerlaw params as columns
fixed API
Merge branch 'fitting'
restored missing import
added tests
Merge branch 'fitting'
SSH-safe matplotlib import looks for DISPLAY environmental var