miniboxtk 0.1.0
~~~~~~~~~~~~~~~
First experimental release to demo early development.

Backends supported:
 - sdl2
 - glfw
 - xlib

Backend features:
 - window (create, destroy, set title and some properties)
 - draw: set color, line, rectangle, pixmap, text
 - mpm: a miniboxtk-specific variant of the xpm format (for style color refs)
 - query monotonic clock
 - event handling:
   - window events
   - mouse events
   - keyboard events
   - non-blocking read stdin
   - fd watches
 - clipboard (copy and paste text strings)

Widget features:
 - hbox/vbox
 - button
 - label
 - checkbox
 - radiobutton
 - progress bar
 - handlers for push button, toggle button and radio button