Cannot install on Linux

[KennyTangHK]

https://github.com/brugnara/node-modem/blob/master/package.json#L26-L30

Since the package depends on a old version of serialport. That version cannot be build on Linux anymore.

Upgrade the serialport module should solve the issue.

Thank you.

[brugnara]

Thank you for reporting this. I will check for sure.