0.9.1

- removed twitter4j
- on-the-fly change Z90 to getPenUp()
- on-the-fly change Z0 to getPenDown()
- on pause make sure pen raised
- on unpause return pen to previous state
0.9.2

- simplified configure limits, now just give width and height.
- simplified configure limits, now in mm like everything else.
0.9.2a

- update exported jars