Merge pull request #8 from mlund/master

Getting latest version - 06/02/2014
Merge pull request #9 from mlund/master

Pull from Mikael
Merge pull request #10 from mlund/master

Update: 25/02/2014
Minor updates in my playground scripts and main program.
Merge pull request #11 from mlund/master

Update: 06/03/2014
Merge pull request #12 from mlund/master

Update
Playground content update.
Merge pull request #38 from jmhenriques/master

Playground update