Merge pull request #6 from rennat/master

General updates
Merge branch 'master' of github.com:ghemingway/cad.js
Duper-fast XML to JSON, yo.
fix for python xml to json converter
Merge branch 'master' into feature/dev-dom-compass
Server-side and client side batching of JSON.
Server-side and client side batching of JSON.
Merge branch 'master' into batching
Clean up color handling in JSON and get XML working again.
support for shell batching
Update README.md
dom compass cube in a complete state
Merge branch 'master' into feature/dev-dom-compass
change css transform perspective for compass cube