Merge pull request #5 from draganglumac/master

Fixed the bug that broke the B-tree test. I've merged with the latest from your branch so pull request will hopefully be a clean merge.
included multicast but am aware the network test may fail if you don't have an interface connectedgit add .! will remedy
Update .travis.yml
Update .travis.yml
Merge remote-tracking branch 'origin-base/master'