Matched to PiCrate-0.9.0 release

Some fixes please report any issues...

For PiCrate-0.8.0

Fixed two broken examples

to match PiCrate-0.7.0

0.2.0

minmax

Incorporate a few more demo examples

0.1.0

background from palette

Simplify sketches to work on PI

0.0.9

simplify sketches

For PiCrate-0.4.2

Hype and grafica examples

For PiCrate-0.4.1

0.0.7

re-organise

For Picrate-0.4.0

Includes LSystem examples

For picrate-0.2.0

0.0.5

adjust size

Avoid using P2D until opengl fixed

0.0.4

Until we fix opengl use Java2D