rchallenge 1.3.0 (23-10-2016)

rchallenge 1.2.0 (05-10-2016)

rchallenge 1.1.1 (25-11-2015)

rchallenge 1.1 (16-05-2015)

rchallenge 1.0 (15-04-2015)

rchallenge 0.2 (05-03-2015)

rchallenge 0.1 (21-01-2015)