------------- * add: move_arc() function to move turtle in arc
0.9.13
------------- * add: set_fill_rule() / get_fill_rule() function, to control how the polygons are filled. * add: FillRule consts * Finish chinese translations for apis. * fix: filling glitches in end_fill()
0.9.12
------------- * Revert 0.9.11 's angle system change. Keep arc/pie/chord compatible with BGI. * add show_image() function, to display drawings in the jupyter qtconsole or notebook. * add show_image_dialog() function, to display a qimage in the dialog.
0.9.11
------------- * fix: now arc/pie/chord drawing functions has the same angle system with rotate()
0.9.10
------------- * add: easygraphics.turtle package which implements the turtle graphics. * change: now rotate()/skew() can transform around any point * change: now reflect() can using lines not passing the origin as the reflecting axis.
0.9.9
------------- * add set_flip_y() to make y-axis grows bottom-up. (use reflect() will make texts get reflected too.)