Added cast_to_data_type() and some changes in get_node_metadata()
Added cast_to_data_type() and some changes in get_node_metadata()

sunnychaudhari/gstudio,gnowledge/gstudio,Dhiru/gstudio,supriyasawant/gstudio,AvadootNachankar/gstudio,gnowledge/gstudio,makfire/gstudio,sunnychaudhari/gstudio,makfire/gstudio,supriyasawant/gstudio,Dhiru/gstudio,olympian94/gstudio,olympian94/gstudio,supriyasawant/gstudio,AvadootNachankar/gstudio,olympian94/gstudio,AvadootNachankar/gstudio,AvadootNachankar/gstudio,makfire/gstudio,sunnychaudhari/gstudio,makfire/gstudio,Dhiru/gstudio,supriyasawant/gstudio,gnowledge/gstudio,sunnychaudhari/gstudio,Dhiru/gstudio,olympian94/gstudio,gnowledge/gstudio,gnowledge/gstudio,olympian94/gstudio,olympian94/gstudio