2014-01-09  Gerrit Holl  <gerrit.holl@smhi.se>

	* pyatmlab-0-0-7

	* pyatmlab/graphics.py:

	(print_or_show): Write ints as ints

	(datadir): Move to io.py

	* pyatmlab/instruments.py: Added.  Contains classes to describe
	instruments, channels, write out SRFs, and more.  Mostly copied from
	PyARTS.  Also contains some channel definitions.

	* pyatmlab/io.py:

	(write_matrix_as_latex_table): Added.  Somewhat inflexible code to
	write out a 2-D array as a LaTeX table.

	(datadir): Moved from graphics.py

	* pyatmlab/physics.py:

	(wavelength2frequency) (wavenumber2frequency) (frequency2wavelength)
	(frequency2wavenumber): Added.  Mostly copied from PyARTS.

	* pyatmlab/tools.py:

	(validate): Validate function with arguments, using annotations.

	(validator): Decorator to do the same