edit index page
re-edit index page
use Thin
add bulk mode
time interval of requesting to iss.ndl.go.jp keeps 1 sec
refactoring
raise error if request data is empty on bulk mode
bulk request via HTML Form
use Twitter Bootstrap
define custom exceptions
refactoring
define MissingISBNError
add views/bulk_processing.html.erb
refactoring: separate bulk mode function from NDC9 as JobManager
create AdminApp
new feature: Bulk API can fetch ndc9 code numbers by many isbn codes
bug fix: /v1/isbn/(ISBN).xml can not display them response
bug fix: uninitialized constant JobManager::RequestIDNotFound
bug fix: JobManager#random_exec raise RequestIDNotFoundError
set limit of bulk request