CommandHandler will parse commands and run the appropriate command func.

GetPermission will return a valid Permission type from a string.

GivePermission will return nil if the permission was successfully given to the user with a matching id.

HasPermission will return if the author of a command has said permission.

ParseAllArgs will return the combined existing args.

ParseBoolArg will return a bool (True / true / 1), or false with an error.

ParseChannelArg will return the ID of a mentioned channel, or -1 and an error.

ParseChannelSliceArg will return the IDs of the mentioned channels, or nil and an error.

ParseEmojiArg will return a discord.APIEmoji and the animated status, or nil, false and an error.

ParseEmojiIdArg will return an emoji ID, or -1 and an error.

ParseEmojiUrlArg will return an emoji ID, or -1 and an error.

ParseInt64Arg will return an int64 from s, or -1 and an error.

ParseInt64SliceArg will return an []int64, or nil and an error.

ParseStringArg will return the selected string, or "" with an error.

ParseStringSliceArg will return the strings in a range, or a nil and an error.

ParseUrlArg will return a URL, or "" and an error.

ParseUserArg will return the ID of a mentioned user, or -1 and an error.

UpdateMemberCache will forcibly update the member cache.

UserHasPermission will return if the user with id has said permission.

"operator" is a special permission, managed by bot.C.OperatorIDs.