# tsdf 1.1-8
- added function "adj.two" to handle over-running and under-running designs
- changed the precision of errors to 4 digits in opt.design
- changed 'pt' option to 'pe' in opt.design
- changed 'two.sided' option to 'stop.eff' in opt.design
- fixed CRAN issues

# tsdf 1.1-7
- fixed bugs when calculating type 2 errors for phase 2 designs
- added "two.sided" option for phase 2 three-stage designs
- added alpha-spending function (no need to install gsDesign pacakge now)

# tsdf 1.1-4
- "dec.sim" now reports the probability of selected as over the MTD at each dose level
- changed dose-finding simulation algorithm (more accurate MTD when the decision is "E")
- changed parameters in Phase I dose-finding (pc --> pt)
- Phase I designs now called Target Toxicity Design.
- added option "pe.par" in dec.table function to calculate true type 2 error

# tsdf 1.1-3
- dec.table now supports HSD spending function 
- removed option pc.u in dec.table function 
- removed sf option in dec.table function
- added sf.param option in dec.table function (more flexible)
- updated vignettes

# tsdf 1.1-2
- added details and more examples 
- initial release on CRAN