[R] New version of the Iso package is now up on CRAN.

There was a deficiency in the argument list of the ufit() function in the Iso package which made it all too easy to conflate a specified location for the maximum with the *index* of that location in the "x" argument. This problem was kindly drawn to my attention by Zhiwei Zhang. The deficiency

Re: [R] save(), load(), saveRDS(), and readRDS()

One more function to consider using and teaching is the attach function. If you use `attach` with a the name of a file that was created using `save` then it creates a new, empty environment, `load`s the contents of the file into the environment, and attached the environment to the search path (by