Remove a useless line from .gitignore.
Add config confirmation command.
Fix CLI option help.
Quote all path expressions with '"'.
Add config confirmation command.
Merge branch 'configtest' into squash
Remove a useless line from .gitignore.
Merge branch 'fixgi' into squash
Fix CLI option help.
Merge branch 'optname' into squash
Quote all path expressions with '"'.
Merge branch 'pathquote' into squash
Increment version.
Add config confirmation command.

    * Add config confirmation command.
    * Other updates:
    ----------
        * Quote all path printings with '"'.
        * Fix CLI option helps.
        * Remove a useless line from .gitignore.
        * Increment version.
Merge branch 'squash' into develop
Update document.