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* Convert to windows paths when converting from a multiaddr to a net.Addr
* Convert from windows paths when converting from a net.Addr to a multiaddr

Also, don't "clean". `filepath.Clean` is _usually_ correct but not _technically_
correct in all cases. We should leave cleaning to the application.

fix: use global multiaddr definitions

So we don't have to import a DNS resolver just to parse dns multiaddrs.

fix: remove gx support

resolve #57 "Build broken after #36"

Make PacketConn more idiomatic and direct

Add go mod

gx publish 1.7.2

README: remove out of date captain

Add support for unix sockets

gx publish 1.6.7

License: MIT
Signed-off-by: Hector Sanjuan <code@hector.link>

Feat: support hostnames in DialArgs() function

License: MIT
Signed-off-by: Hector Sanjuan <code@hector.link>

License: MIT
Signed-off-by: Hector Sanjuan <code@hector.link>

make the Is* commands only check if addrs start with

It turns out we *were* relying on this. Furthermore, this is generally more
useful (especially given ip6zones).

Add "ip6%" multiaddr support (IPv6 with zone ID)

- Add `FromIPAndZone` function (complementing the `FromIP` function).
- Handle zones when parsing `net.Addr`s.
- In `DialArgs`, return an error if an `ip6zone` is prefixed to an `ip4`
  or to another `ip6zone`.

Note: I was not able to add a listen test (in TestListenAddrs) for
`/zone/.../ip6/...` since there is no link-local address which is
guaranteed to exist on all systems.

private networks and utility functions

(would have failed with ValueForProtocol)

This now means that addresses must *start* with the an IP address, we won't just
pull one out of the middle.