Build options for v1.39
=======================
"SJCCP" or "JCCP"
Build for non-ZNOS
Remove superflous spaces in messages
Prompt is D> instead of D)
Optimised JPs to JRs
Calls to CONOUT preserves AF if not ZNOS
Left-over code replaced with &00 bytes
Removed superflous word at CCPStack

Changes from SJCCP v1.39 to v1.40
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Version updated to 1.40
ColdEntry/ColdReset
Remove ResetCCP for standard header
Removed superflous CR/LFs
Optimised multiple SetDMA calls
Optimised PrMessage calls
Optimised AddCR
Optimised Call BDOS with SUBMIT FCB
Empty command line ignored early
Optimised column printing in DIR
Superflous Pr2Space removed
USER restricted to 0-15
SetUser optimised
TYPE understands CR/LF/CRLF/LFCR
REN old new as well as REN new=old
Search Drive not searched if same as Current Drive
Transient command line not forced to upper case, so eg echo CamelCase works