version 1.0-3
- plot function fixed.

version 1.0-2
- function to calculate residuals from fitted model.
- function ATE suppressed and replaced by AT.

version 1.0-1
- basis dimension in REML smoothing parameter selection function fixed.
- default tolerance increased.

version 1.0
- REML smoothing parameter selection implemented.

version 0.2
- R documentation and references updated.

version 0.1
- initial release.

