Implements the REST-Like API bus.
GET
POST
PUT
DELETE
PATCH
$api :
$active :
$applications :
singleton()
factory( $drive, $array)
applicationExists( $app)
isActive()
getActiveApp()
getHttpRequestMethod()
getApp( $name = FALSE)
decrypt( $input, $key)
encrypt( $input, $key)
code( $code)
__construct()