1.9.0

• Removed value validation warning from set_visual_property_default()
• Fixed missing URL parameter in create_network_from_data_frames() and create_network_from_networkx()
• Added style functions for node_position and node_label_position
• Allowed Cytoscape version check to include patch level (e.g., x.y.patch)
• Added layout functions scale_layout() and rotate_layout() to match Cytoscape's Layout Tools