ICETOOL Support

AHLSORT Supports many of the operations available in IBM's DFSORT ICETOOL

This allows current ICETOOL users to emulate these functions in the Windows, Linux and Unix environments.

We currently support the following ICETOOL operations
COPY
COUNT
DATASORT
RESIZE
SELECT
SORT
SPLICE
SUBSET (New in v15r31-0)
MODE
DISPLAY
VERIFY (New in v14r3-227)