move development dependencies to gemspec and specify versions.
remove current specs.
remove travis.yml
add journal fixture, write some example specs against it.
more specs, fix a typo bug :(
Merge pull request #45 from ledbettj/spec-rework

Specs that actually run native code
Merge pull request #46 from ledbettj/develop

Bug Fix + Development updates.
bump version for release
mark disk_usage spec pending
add specs for current_catalog
add some tests for filtering.
all hail the omnipotent rubocop
raise an exception on missing JournalEntry method if the user passed arguments to it.
If you can't fix it, ignore it.
install systemd when running travis