v0.30.1

Adds the icon to the distribution.

v0.21

Release Notes (v0.21)

• Uses Python 3
• Circuit calculations can now be saved as text files.
• Uses basemap's daynight operator to display the day/night regions of the earth. The position of the sun is no longer displayed.
• Adds the --filed-contour type of plot.
• Bug fixes
• Minor revisions in the layout to conform to Gnome 3's HIG.