Merge branch 'master' of https://github.com/SciLifeLab/facs
Merge pull request #1 from SciLifeLab/master

Merging in the latest changes from the main trunk.
Merge branch 'master' of https://github.com/arvestad/facs
Added new command 'info', to read and output basic info about a Bloom filter.
Mainly fixes to usage information, but also some small fixes removing warnings.
Merge pull request #80 from arvestad/master

New command: info