* rework build_base_env to use newly discovered (by me, anyway) argv
interface
* add test case for build_base_env where I discovered I can't do boolean
logic....
This commit was SVN r2209.
or rsh/ssh stdin/stdout, even includes a test case
* add base function for use when PCMs can't provide uniqueness strings, so
that we all have the same value
This commit was SVN r2082.