v0.31 - Optimization and hold mode fixes

Fixed high CPU usage and loop problems in hold mode.

MD5 : 37C16E1B8E8AEEC21DFC1ADD5D1937C4
SHA256: 582460C94E84D765111EA40B816F0EB0A918634E601D77DC1524618E743BA11D

Virus total: https://www.virustotal.com/gui/file/582460c94e84d765111ea40b816f0eb0a918634e601d77dc1524618e743ba11d?nocache=1
Full Changelog: v0.3...v0.31

v0.3 - Hold mode, mapping removal modes, mapping auto-renewal, bugfixes and more

VirusTotal: https://www.virustotal.com/gui/file/b7c5614edd127c703912575d1ea7c289256b26303985aec79202618f3c498a7e?nocache=1
Full Changelog: v0.13...v0.3

v0.13

Improved MAC compatibility - you can now also use notation with dashes.

VirusTotal - https://www.virustotal.com/gui/file/686160f7b68486673109cb3510c9cb5427e28c53e73e43085c0fdc4fbab335d8?nocache=1

Full Changelog: v0.12...v0.13

v0.12

Improved support for multi-network environment.
Bugfixes.

https://www.virustotal.com/gui/file/57e4fee66a6432fe4d914b4a8167f4dae2fb9c66f66106e8b89a54942ced0b12?nocache=1

0.1

Full Changelog: https://github.com/easymoney322/NAT-PMP-Spoof/commits/0.1