chg: Patchlevel
chg: Removed Swap & tee code from exec.asm to support Win95
bugfix: dirbrk.c: If_root_path(): "A:file" were considered to be starting at root
add: option -Z & "No_swap" global variable: Turns of swapping in spawnvpe()
fix: readdir() infinite loop with Win95/Borland C v5
add: $(mktmp,file,text data...): if file starts with '.', it's the extension
	of a temporary file in the normal manner (mk######).
add: unix\dcache.c: clearDCache()
chg: Move the code to remove the temp environment seg behind exec API call
bugfix: Push_macro() & Pop_macro: cur = cur->ht_next
bugfix: Pack_argv(): return value of realloc() was not checked
chg: The macro subst ":s///" can contain parantizes
fix: if a modifier skips to the next ':' or closing ')', the string terminator
	was ignored, thus, "$(macro:s/q/" bugged.
add: ? modifier: $(macro:?replacement) == $(!null,macro $(macro) replacement)
	replacement will be expanded and cannot contain an unquoted ':' or
	unballanced closing parenthizes.
add: make.c: Uncomment NOTDELAYRECIPES to not compile the delay targets stuff
fix: Exec_commands(): Touch target & update time stamp for proper infer mechanism
fix: renamed all nmes that start with "_" into "X_", this hided some C-lib functions
chg: make.c: Exec_commands(): shell wrapping original function to
	handle delayed recipes/targets.
add: Attribute .DELAYED to indicate delayed targets and percent rules
chg: some problems with (int) != (long) and elimited warnings "Conversation
	may loose significant numbers"
fix: The attributes in struct hcell had a wrong type
fix: really_dostat() mixed the return type
fix: _do_special(), case ST_INCLUDE: the value of first leaves limits of (int)
fix: _do_special(), case ST_INCLUDE: forget to remove A_FIRST on exit
add: Prolog(): included the standard targets .INIT and .DONE

Initial revision
