Variables: prototype, checkDataType, gitAction, writeVariableFile, commitVariableFile, pushVariables

Removed prototype, more detail with checkDataType, added gitAction arg,
improved writeVariableFile, and wrote functions commitVariableFile and
pushVariables. They work!
DesignSpecifier

documentation added; using DesignSpecifier instead of Design in
scenarios.R
sim1CT, a little tinkering
collateOrder

setdiff lines to check the file list versus the files.
fun with "double" -  OBOY

strange things about numeric classes... and not.
AplusB - making the documentation roxygen-style
More WHATIDID notes.
Adding functionToString and objectToString, a useful helper function.
Add showMethods0, to get around the getGenerics bug.

To run showMethods with a classes arg but no f arg, you need to fix the
bug.
.gitignore in badR