minor. use tmp var for clarity, +comments
minor. readme edits
minor. log env after re-parsing args
change cli options to reduce possible future conflict

* -m,--lib -> --libmojito (--lib still works though)
* -v,--version -> just --version
new: support add'l nopt configs types, esp. Array

need for `--test name1 --test name2`, more
minor. comment correction
Merge pull request #22 from isao/opts

support add'l nopt configs types, esp. Array