fixed probe for interface with /32 netmask
Merge branch 'master' of https://github.com/simia-tech/iris
Merge branch 'master' of https://github.com/simia-tech/iris into simia-tech-master
Merge branch 'simia-tech-master'
Fix #46, don't probe on single-host networks.
Log broadcast fix + add Philipp to the contribs.