Merge pull request #5 from 0x6b/refactor

feat: set default port 2152 if no port is specified

Merge pull request #4 from 0x6b/refactor

refactor: internal clean-ups

Merge pull request #3 from 0x6b/fix-stats-calculation

fix: stats calculation

Merge pull request #2 from 0x6b/count-timed-out-packets

feat: count the number of timed out packets

Merge pull request #1 from 0x6b/specify-timeout

feat: specify ping timeout

hello world