2009-11-20  Vojtech Franc
	* Added support for sparse matrices to libqp_splx.m, i.e. the input Hessian can be now both 
	spare or dense matrix.
2009-07-31  Vojtech Franc
	* Fixed memory leak problem (missing "LIBQP_FREE( x_neq )") in libqp_splx.c (reported by Alex Binder)
