ddo/oauth-1.0a — pull request #2 by tomasbz (2014-04-22 12:00:11+00:00)
Title: Create a Signing Key. Do not add ampersand symbol if token secret is empty.

oAuth 1.0 one-legged authorization does not use token_secret. oauth-1.0a module should not add ampersand at the end of consumer_secret, if token_secret is empty.