add notify method
add clear-command
change per_page to 100 from 30 of default
add debug option
add compact-method to String
add channel if channel not exist
add add_repos-method
change variable type of repos to symbol from string
out add_repo from iteration so not correctly
separate thread_loop-method
change rate_limit from rate_limit!
fix bug
add debug-method and error-method
change to the private while_ago-method and notify-method
separate notify_recent_envets-method
fix bug
separate
add debuggings
bump version to 0.1.0