feat: fix panic on empty Events array in etcd watch response (#36)

feat: fix CI, replace deprecated go get with go install for goveralls (…

…#35)

feat: add NewWatcherWithConfig() (#25)

* feat: Added configuration-based constructors

* fix: keyName is not specified.

* test: new test for NewWatcherWithConfig()

* doc: NewWatcherWithConfig() usage

feat: update CI Go version

fix: ignore update messages from itself (#23)

* fix: ignore update messages from itself

* revert unit test

fix: ignore self and reduce network request (#22)

feat: support password for auth and security (#17)

Merge pull request #16 from closetool/master

fix: data race for callback

Merge pull request #14 from ankitrgadiya/master

Upgrading etcd client/api to v3

Merge pull request #13 from closetool/master

fix: add github action