chore(phantun) release `v0.4.2`

chore(phantun) bump to `v0.4.1`

chore(phantun) release `v0.4.0` and bump `fake-tcp` dependency to `v0.4`

chore(phantun) release `v0.3.2`

chore(phantun) bump `fake-tcp` dependency to `v0.3.0` and release

`v0.3.1`

chore(phantun) bump to `v0.3.0`

chore(phantun) bump `phantun` to `v0.2.5`

chore(phantun) bump `phantun` to v0.2.4

chore(phantun) bump to v0.2.3, bump `fake-tcp` dependency to v0.2.0

docs(readme) add IPv6 support info