delete specific resource-scoped api files
create CRUD module with some useful CRUD methods
create DataAPI class and define crud for the app resources
use DataAPI as the app instead of Sinatra::Application
reduce length of a line to <80 chars
require string extensions on top of CRUD module
expect for a fetched resources collection to be in a given order
CRUD collection returns items ordered by a given order
move crud.rb to api/support
create entrances modular sinatra app
modularize data api into resource-scoped modules