Support Port Range

previous supported formats:

• 80:8080 (external:internal TCP)
• 80 (external & internal TCP)
• 80/UDP (external & internal UDP)
• 80:8080/UDP (external:internal UDP)

portrange:

• 80-90 (ports between 80 and 90 inclusive, default TCP)
• 80-90/UDP (with protocol)
• 80-90:8080 (range with different internal and external port, default tcp)
• 80-90:8080/UDP (range with different internal and external port and protocol)