Release v1.7.2

Release v1.7.0

Release v1.6.0

Release v1.5.0

Merge pull request nats-io#334 from nats-io/add_custom_dialer

[ADDED] CustomDialer interface/option setter

Merge pull request nats-io#309 from wallyqs/rm-default-options-dialer

[REMOVED] Dialer from DefaultOptions

Merge pull request nats-io#229 from nats-io/bench-fix-227

[FIX nats-io#227] Added check to insure message count is greater than zero

Release v1.2.0

Release v1.1.6

Release v1.1.2