```ruby
require 'sinatra'
require 'sinatra/base'

require 'json'
require 'mail'
require 'github_api'

require 'pgquilter/config'
require 'pgquilter/application'
require 'pgquilter/git'
require 'pgquilter/patch'
require 'pgquilter/patchset'
require 'pgquilter/receiving'
require 'pgquilter/topic'
require 'pgquilter/worker'
```

Add app root directory to gem path
user
```ruby
require 'sinatra'
require 'sinatra/base'

require 'json'
require 'mail'
require 'github_api'

$:.unshift File.dirname(__FILE__)

require 'pgquilter/config'
require 'pgquilter/application'
require 'pgquilter/git'
require 'pgquilter/patch'
require 'pgquilter/patchset'
require 'pgquilter/receiving'
require 'pgquilter/topic'
require 'pgquilter/worker'
```
assistant