3.1.0

feature: add union and unionAll methods #28

3.0.0

breaking: drop str and params properties from the built object #26
breaking: drop node 6.0.0 support
feature: built objects can be used inside the template tag #25

2.3.1

expand the documentation a bit

2.3.0

feature: added toString method to the query object #21
feature: support WHERE/HAVING clauses with only a single argument (no value to escape) #22