Added HKL icon.
Added final to arguments.
Added support for negative integers, and an attempt to layout correctly,
but it does not.
Added XDS HKL file support.
Added more general methods.
Added XDS_ASCII.HKL support.
Readded XDS_Integrate.HKL, but probably it will not be used.
Added getImage* methods.
Added HKL icon constant.
Added XDS HKL loader, it is in progress.
Deleted due to renaming.