A few bugfixes

I've added support for 'store' (which aliases to 'storeExpression'), I've fixed (sort of) support for <br /> tags inside string matching (currently only working properly on Firefox, possibly needs to be converted into a regex). I allowed spaces in the names of suites inside the suitelist.

I also returned the client object from runWithConfig, as sometimes this is useful (especially for Saucelabs where the soda client has some convenience methods).