Fixed issues

[vurvdev]

Hall of Fame of issues patched here that Facepunch finally fixed
Checkmark is if they've been removed from the repo (Won't be removed for a while til the updates are common and rolled out)

• (crash) tostring on invalid CSoundPatch
• (security) +voicerecord is blocked
• (crash) calling cam.End* functions without a cam.Start* first crashes your game