With the migration to Go Modules, one should avoid the use of the "go get".
* Fixed /proc/net/snmp parsing bug * Fixed a bug when parsing /proc/net/snmp for Linux machines * Removed unused, commented code * Changed error messages to Go best practices (wrapping-friendly) * * Upgrade Dockerfile * Upgrade to Go 1.13
* add support for Docker * Update README.md * Update README.md