message: Update LICENSE
  This was released in 2015.  I believe updates to this were by accident.
diff: The MIT License (MIT)
  -Copyright (c) 2018, Rebilly, Inc.
  +Copyright (c) 2015-present, Rebilly, Inc.
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  