Prepare changelog for 1.3.0
Prepare changelog for 1.3.0

YorickPeterse/oga,YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,YorickPeterse/oga,ttasanen/oga,ttasanen/oga,YorickPeterse/oga,ttasanen/oga,ttasanen/oga