0.0.3

• Add circle plots
• Add exec_detach target, allows to plot several windows.
• Add silent optional argument, allows to silence gnuplot errors

0.0.2

• Add facilities to specify xtics, ytics and ztics
• Set horizontal rather than vertical layout for Line.line
• Simple box plots
• Remove useless plot_matrix type
• Remove plot and labelled argument for run
• Add tup_r2, tup_r3

0.0.1

• First release