parse 'predicate AND predicate'
Make question available on previousquestion
Remove title for nodes without page title
Merge pull request #41 from alphagov/remove-title-for-nodes-without-page-title

Remove title for nodes without page title
Merge pull request #40 from alphagov/make-question-available-on-previous-question

Make question available on previousquestion
Evaluate combined predicates
Merge pull request #39 from alphagov/and-predicates

parse 'predicate AND predicate'
Predicate types: greater, lower, strictly greater, strictly lower
Comparison predicates for dates