Main route should be a command.
Correct inaccurate information in the README about safe search.
Use new help system.
Updates for Lita 2.0 compatibility.
Filter spec files from SimpleCov output.
Update RSpec extras, gem dependencies, and default configuration for Lita 2.0 compatibility.
Use Handler#http since Faraday is now in Lita core.
Move project history to GitHub releases page.