Release Version 0.1.4

Add Dithering color distance option to BayerMatrix dithering.

If the percentage is small, the dithering colour will not select colour pairs with large value differences.

Add 2 new Dithering Algorithm

• Stucki
• Floyd-Steinberg

These 2 new algorithm will have better result on 

Fix Fill With Color node 

Fill With Color node is not working, fixed to make it work.

Add new method to Outline node

• Fixed Color: User selected color as outline color
• Middle Color: User middle color of the selected color and outer pixel color.