Make changes
Merge pull request #6 from HalfdanJ/master

Expected attribute on <code>, and column+line information on errors
Merge branch 'master' of github.com:nasser/pltjs

Conflicts:
	js/plt.js
Replace ^ with ↑
Remove return arrow from errors, make errors not italic
Clean up whitespace
Dont refresh by default in example
Match expected values with a regex