v0.3.0: Babidi Somniosidae

The minimum supported Rust version was bumped the 1.48, the current
version of rustc on Debian stable.

Features:

• We now send the signatures to the watchtower in a single batch
• connect now takes a TcpStream, this gives more flexibility to the
  caller with the blocking accept()

Fixes:

• We fixed the serialization of some message fields to respect
  practical-revault's specification

v0.2.1: Huffle Puffer Reloaded

v0.2.1: Huffle Puffer reloaded

v0.2: Huffle Puffer

This is a release in view of the next Revault demo. It contains a few tweaks to
the messages serialization.

Features:

• The spend_tx message was modified to allow a nullable transaction
  field
• The transaction field of spend_tx is now encoded as base64 instead
  of hex

v0.1: Sarumane Sardinops

This is the first Beta release of revaul_net, an implementation of the
messages and transport part of practical Revault,
the version 0 specification of the Revault protocol.