7 * added ConsoleOutputInterface
8 * added the possibility to disable a command (Command::isEnabled())
9 * added suggestions when a command does not exist
10 * added a --raw option to the list command
11 * added support for STDERR in the console output class (errors are now sent
13 * made the defaults (helper set, commands, input definition) in Application
14 more easily customizable
15 * added support for the shell even if readline is not available
16 * added support for process isolation in Symfony shell via
17 `--process-isolation` switch
18 * added support for `--`, which disables options parsing after that point
19 (tokens will be parsed as arguments)