travis-ci and coveralls.io support
skipIf workaround for python < 2.7
assertGreater workaround
assertGreater replaced
more python version
Revert "more python version", they're not supported properly on travis-ci.org

This reverts commit 5eb5729a0ead89358eab996844699aaad91beadf.
Merge pull request #62 from pall-valmundsson/travis

Travis-ci.org and coveralls.io support