Collect command histories from remote hosts.
# clone
$ git clone git@github.com:muniere/historian.git
# install
$ rake install
# uninstall
$ rake uninstall
# status
$ rake status
# execute: detect hosts from command history
$ historian -v
# execute: specify hosts from cli parameter
$ historian -v host1.yourdomain host2.yourdomain
# execute: specify date to collect histories
$ historian -v -d 2014-01-01
# help
$ historian -h