Version bump to 0.0.1
Added options to authorize_url.
Added some notes.
Added init.rb so it works as Rails plugin also.
Added scope permission options.
(cherry picked from commit 1fcce79)
Make access token expiration date optional for offline_access privile…
Added links to README
added more examples to readme
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added dependency on json in gemspec
added attribution to README
fixed bugs and moved to net/https