v0.2.3

Changes

• Added :authorization_params config option to PowAssent.Strategy.OAuth #54
• Plug and Phoenix controller now handles :session_params rather than :state for any params that needs to be stored temporarily during authorization #56
• Added handling of oauth_token_secret to OAuth strategies #55
• Support any :plug version below 2.0.0 #59
• Fixed bug in mix pow_assent.ecto.gen.migration task where --binary-id flag didn't generate correct migration #53
• Support :pow version 1.0.5 #53