updates to the README as the work progresses
update merge to respect nil
move process_line method to proper spot in file
added specs for defaults and rcfile only with sleep option
merging: added spec for single value plus 2 directories
merging defaults and rcfile with single value
merging typical scenario
little bit of clean up to commandlineoptions spec
cosmetic changes to spec/options_spec.rb
fix syntax error in commandlineoptions_spec