Version 0.9

This version should create watertight models if 2D input is topologically correct and watertight.

This release contains;

• Multiple fixes related to stitching objects
• Creation of vertical walls in buildings for OBJ output if only buildings are input
• Seperation class changed from Flat to Boundary3D
• Added all input attributes to CityGML output
• Check if YAML file exists
• Updated shapefile output and added height information

Have fun!