History changes of the python module pyswath
2.0.0: 2018/07/09 & 10
	- Port to Python 3
	- Limit to 2 digits the numbers in the title of the graph
	- Give the data name in the legend
	- For the moment, plot only one set of data. Add a routine to plot 2 (or more) sets of data on the same graph, 
	  with specific colors
	- Simplify the legend if several dataset plotted
	- Ameliorate the title adn the legend with LaTeX fonts
	- Correct the bug with X and Y axis' limits
	- Update the Readme.rst
	
1.0.0: 2018/01/17
	- Bug fixed with ImportError

0.1.1: 2018/01/10
	- initial release
	
0.0.1: 2016-03-02
	- change to Kapteyn method
	- remove Statsmodels module (http://statsmodels.sourceforge.net/devel/index.html)
	- New Plot