Code changes regarding LTC testnet doesn't reflect latest release 4.3.0

[Helidium]

Can you please release a new version, that includes the LTC changes.

Thank you very much for your work!

[dbolser]

Also this change prompts a new version please:
https://github.com/cryptocoinjs/coininfo/blob/v4.3.0/lib/coininfo.js#L69