Log Message:
Rename the following variables to reduce the number that we need to track:

	EXTRACT_CMD_OPTS.bin		->  EXTRACT_OPTS_BIN
	EXTRACT_CMD_OPTS.lha		->  EXTRACT_OPTS_LHA
	EXTRACT_CMD_OPTS.rar		->  EXTRACT_OPTS_RAR
	EXTRACT_CMD_OPTS.tar		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tar.Z		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tar.bz2	->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tar.gz		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tbz		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tbz2		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.tgz		->  EXTRACT_OPTS_TAR
	EXTRACT_CMD_OPTS.zip		->  EXTRACT_OPTS_ZIP
	EXTRACT_CMD_OPTS.zoo		->  EXTRACT_OPTS_ZOO
	EXTRACT_CMD_OPTS_tar.gz		->  EXTRACT_OPTS_TAR