v0.0.2 Version update README.md

v0.0.2 Version update.
- New version number convention (major, minor, point).
- SQLite implementation.
- Save the Checked In time in a file for quick access.
- Green generic Icon.
- Display previous checks in lower part of layout.
- Properly handle default events (onPause, onResume, onStop, onClick)
- General bug fixes and has now achieved functional status.