/Users/<username>/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/request_proxy/base.rb:93:in `normalized_uri': undefined method `downcase' for nil:NilClass (NoMethodError)
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/request_proxy/base.rb:113:in `signature_base_string'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/signature/base.rb:77:in `signature_base_string'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/signature/hmac/base.rb:12:in `digest'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/signature/base.rb:65:in `signature'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/signature.rb:23:in `sign'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/client/helper.rb:45:in `signature'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/client/helper.rb:75:in `header'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/client/net_http.rb:91:in `set_oauth_header'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/client/net_http.rb:30:in `oauth!'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:224:in `sign!'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:188:in `create_signed_request'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:159:in `request'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:194:in `token_request'
	from /Users/taylor.rose/.rvm/gems/ruby-2.0.0-p247/gems/oauth-0.4.7/lib/oauth/consumer.rb:136:in `get_request_token'
	from oauth-test.rb:17:in `<main>'