fixed critical bug in sparf.m, minor changes in getLCM.m and getRad.m
getLCM.m now also has an SVD-based implementation.
fixed some bugs in qdsparf.m and added getCra.m
Fixed bugs in candecomp and rcandecomp.
Update bug-fixing
Merge remote-tracking branch 'upstream/master'

Conflicts:
	candecomp.m
	getCra.m
	getLCM.m
	getRad.m
	polysys_collection.m
	qdsparf.m
	rcandecomp.m
	sparf.m