1.1:	Brought the package up to R3.0.2 standards
	Included NAMESPACE, small change to dhhrcomp.Rd
	Moved vignettes to vignettes directory (from inst/doc) 

1.1.1:	Bugfix. Bug noted by Professor Brian Ripley, Oxford.
	Pointer reference was used erroneously as value in line
		Lx = (double *)Calloc( nn, double);
	of DDHFm.c. The nn (which is a pointer) has been changed to *nn	

1.1.2:	Added Shipping Credit Flow data and associated help file.

1.1.3:	Changed maintainer email address to Imperial College. Added C
	code to register routines

1.1.4: Added #define R_STRICT_HEADERS to DDHFm.c and changed Free to R_Free and Calloc to R_Calloc
