* pyatmlab-0-0-51

* pyatmlab/collocations.py(CollocationDescriber):

- Plot both sensitivity range and dito density

* pyatmlab/dataset.py(Dataset):

- Add attribute 'range', to be set by hand

* pyatmlab/datasets.py(TansoFTSv10x):

- Set range, not really yet, placeholder

* pyatmlab/graphics.py(print_or_show):

- Use logging rather than print

* pyatmlab/math.py(regrid_matrix):

- Added, regridding a matrix

* pyatmlab/physics.py(AKstats):

- Added method to plot sensitivity density as opposed to range.  Sort
of the integral of the range.