progress 1.2.3

• Compiling packages linking to progress with -Wformat-security does
  not produce warnings now.

v1.2.2

• Fix two bugs in the C++ API that can potentially cause irregular
  behavior (#94, @jimhester).

v1.2.1

• Add the message_class argument, to add extra classes to the messages
  thrown by progress.

• Add support for RKWard, running interactive session
  (#76, @devillemereuil).

• Add support for unicode characters and a right to left progress bar
  (#86, @jimhester).

• Fix a potential crash in the C++ API (#91, @jimhester).