Link.copy

void copy(hid_t srcLoc,  string srcName,  hid_t dstLoc,  string dstName,
                      hid_t lcpl =  H5P_DEFAULT,  hid_t lapl =  H5P_DEFAULT)

Copies a link to a new location.

`srcLoc`	Source location identifier
`srcName`	Name of the link to copy
`dstLoc`	Destination location identifier
`dstName`	Name for the new link
`lcpl`	Link creation property list (default: H5P_DEFAULT)
`lapl`	Link access property list (default: H5P_DEFAULT)

HDF5Exception if the copy fails.