infrastructure packages
	cal	Calibration Access Layer library	pdf	ChangeLog
	caloalutils	Utility infrastructure library for CAL/OAL	pdf	ChangeLog
	dal	The XMM-Newton data access layer	pdf	ChangeLog
	error	Error and messaging libraries	pdf	ChangeLog
	oal	Observation Data File Access Layer library	pdf	ChangeLog
	param	The parameter handling library, used by all tasks	pdf	ChangeLog
	preferences	Preferences infrastructure library	pdf	ChangeLog
	pysas	"Base Python package for SAS"	pdf	ChangeLog
	sas	SAS gui	pdf	ChangeLog
	sasver	Python counterpart of sasversion	pdf	ChangeLog
	selectlib	Data Selection infrastructure library	pdf	ChangeLog
	ssclib	SSC f90 Library Functions	pdf	ChangeLog