added box/boxplot option to to set_plot_type()
added boxplot kwargs description to add_plotdata()
moved plotting order around. histogram is broken for the next while. this is because histogram was plotting overtop of itself in the previous scheme.
added boxplot_defaults
moved the increment procedure into the line/bar routine for the time being.
fixed typo and ordering.
added box plot to makePlot(), looks like it should work.
updated to beta6 and small fixes.
boxplot fixes.
fix to legend, with legend title
updated order in defaults and added hist plotting to work correctly with no overlay.
Merge pull request #13 from kamilm/unstable

Boxplot addition and histogram fix