Make sfx player able to play sfx without the file extension provided
Allow blipsounds to seek in blips/ folder to allow better categorization, as well as direct sound references
add get_emote_blip for detecting the blipsound used by an emote. Currently unused.
Less strict/hardcoded custom objection detection system
Allow system (charid -1) messages, and don't do the same message detection on blankposting
Allow objection, hold it, take that and custom sound players to detect sounds that are not exclusively .wav
