0.2.0 release

refactor API (#4)

- refactor API, more in line with other Wire based libs.
- update readme.md
- added **isConnected()**
- added asynchronous interface.
- rewrote the synchronous interface.
- add examples.

0.1.3 release

update readme.md

0.1.2 release

add changelog.md (#3)

0.1.1 release

update library.json, license, unittest, minor edits (#2)

* update library.json, license, add unittest (start), minor edits

0.1.0 release

Develop (#1)

* initial version
* update build-CI, readme.md, badges