prepare v0.2.0 release

Prepare v0.1.3 release

Add CHANGELOG file, prepare v0.1.2 release

Merge pull request bergie#17 from igorw/patch-1

Change react/socket constraint to 0.2.*

Merge pull request bergie#15 from igorw/updates

Update composer and react

Start the connection sooner, fixes bergie#9

Update installation documentation to use Composer