Documentation. [ci skip]
Merge branch 'development' of github.com:erniebrodeur/pushover into development
Shifted a few things around to bail better, fixed a bug in a few options variables.  All green.
Added a cli spec to properly test bin/pushover.
Don't send empty params to pushover.net, fixed #2
Documentation.
Fixes #5 by lifting the timestamp/priority magic to private def's and calling them as needed.
Added a user-agent, fixes #4 on gh
Version bump to 0.99.1