Merge pull request libp2p#194 from libp2p/0.8.3

Release 0.8.3

Merge pull request libp2p#191 from mbaxter/0.8.2

Release 0.8.2

Merge pull request libp2p#185 from mbaxter/0.8.1

Release 0.8.1

Merge pull request libp2p#183 from libp2p/0.8.0

Release 0.8.0

Merge pull request libp2p#177 from libp2p/0.7.0

Release 0.7.0
* Add the ability to pre-handle any inbound or outbound stream (libp2p#170)
* Check the full causal chain when handling exceptions (libp2p#173)
* Update gossip scoring APIs: allow topic scoring params to be updated after startup (libp2p#175)

Merge pull request libp2p#156 from libp2p/0.6.0

Release 0.6.0

Bump version to 0.5.7

Tag 0.5.5 release.

Tag 0.5.4 release.

Merge pull request libp2p#121 from libp2p/0.5.3

Release 0.5.3