1991
Fixed cr_put.c replaceing uses of DO with uses of NL.
Fixed cr_put.c so that if in raw mode the system didn't
assume it could use tabs.
Fixed endwin.c to go to the end of the screen.
Fixed newwin.c to mark each line of a new window as changed
from beginning to end.
Changed Makefile to take advantage of $SRCPATH
3-18 Changed newwin to only return NULL on error conditions.
3-19 Changed endwin to fflush(stdout) at end.
4-30 Removed fnctl calls from getch.c to fix bug in which
     getch seemed to fill its buffer with junk.
9-5  Changed delwin to free lines on subwindows.
9-26 Changed all char's to unsigned chars.
9-26 Changed Makefile to archive with rcs option instead of q.
10-9 Changed endwin not to clear the screen.
