Release v0.4.7

Merge pull request #60 from nats-io/0_4_6

[BUMP] release version and dependencies

Merge pull request #58 from nats-io/arch-bins

[FIX] added binaries to match nats-server

Merge pull request #48 from nats-io/0_4_4

[BUMP] for new ci deployment

Merge pull request #46 from nats-io/0_4_3

bump for ci/release

Merge pull request #44 from nats-io/0_4_2

[FIX]  update `Version` in the lib to 0.4.2, as a travis test is looking at this.

Merge pull request #43 from nats-io/travis

[UPDATE]  travis to only use 1.19 go, bump crypto

Merge pull request #42 from nats-io/go-updates

Update go crypto package

Release v0.3.0

Release v0.2.0