Modified the login validation in register.cgi.
Merge pull request #26 from krtx/master

Modified the validation of register.
Fixed a bug of initial_submit.
Merge pull request #27 from krtx/master

Fixed a bug of initial_submit.
Add logger.
Delete redundant code.
Merge pull request #28 from krtx/master

Add logger.
Merge pull request #29 from OKU1987/oku/build

Delete redundant code.