added preliminary STDOUT outputs.
* need a test run
* need E, I, W, categorization consistency check
fixed inconsistency in W, E, or I
fixed readme.
fixed create-config command to match the stdout scheme.
added pre-release version identifier in the package.json
Merge pull request #20 from koma75/feature/STDOUT

Feature/stdout
#19 changes
#19 more error handling fixes
#21 first implementation of list-member sub-command.
updated change history.
fixes #21
fixes #16
fixed a few help banner mistakes
close #17
update documentations for new commands.
Merge pull request #22 from koma75/feature/search

Feature/search
prepare for v0.6.0 release
Merge pull request #23 from koma75/develop

release v0.6.0