simplify initialization of @args in configuration_options
Collapse option parsing procedure into single series of iterators
Simplify process_options_into

Key order does not matter - not sure why it ever did.
rename const to align w/ other consts in same file
Revert "Simplify process_options_into"

Apparently order does matter in Ruby 1.8.7

This reverts commit 2ec416ddccd4e67bb8ef0e58f986cd0d41b0826a.
consolidate two iterators
merge the two map statements into one