Release v1.2.0

• Replaces oauth with request module
• Adds constructor tests

Release v1.1.0

• Deprecates legacy REST API helper methods
• Removes authentication helper methods

Release v1.0.3

• Removes merge function in favor of native util._extend

v1.0.2

• Removes deprecation warnings (@roncli)
• Adds streaming example to the README (@Klvtz)