Unit tests

[RWOverdijk]

We need unit tests. Shouldn't be too difficult for the view helpers. Core might become a bit harder.

[RWOverdijk]

@VMBindraban, You get to test the view helpers :D (I'll set up the core tests)

[VMBindraban]

@RWOverdijk Passed to paul?

[RWOverdijk]

jup. @paul-vg