Update README.md

Author: ilanbiala

README.md

@@ -12,6 +12,8 @@ Check out the [wiki](https://github.com/ilanbiala/CSS-Shapes/wiki) for parts of
 
 Changelog
 =========
+2.0.0 - Introduced default directions, chevron can now be oriented
+1.0.1 - Support for autoprefixer and other tools
 1.0.0 - rectangles, parallelograms, squares, circles, ovals, triangles, corner triangles, trapezoids, chevrons
 
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