v0.4.2

Includes:

• #57
• #58

v0.4.1

Fixes PNG generation bug

v0.4.0

See #39 & https://github.com/gambitproject/draw_tree/milestone/1

v0.3.1

See #31

v0.3.0

Adds gambit color scheme amongst other as-yet undocumented parameters, see #30 #29

v0.2.0

Key change includes ability to load a game object from the pygambit package and draw it directly in Jupyter