Add the possibility to change the volume and the tempo when using the cry_pokemon method

MR Description

• This MR adds the possibility to modify the volume and the tempo/pitch when using the cry_pokemon Interpreter command

Tests to realize

• Create an event with the command cry_pokemon.
• Change the "volume:" parameter of the command (e.g. cry_pokemon(:pikachu, volume: 50) ) : the volume of the cry should be lower or higher
• Change the "tempo:" parameter of the command (e.g. cry_pokemon(:pikachu, tempo: 80) ) : the tempo/pitch of the cry should be lower or higher
• Try an event with all the parameters entered