Linux apparently doesn't have strcasestr()

Prevents detection of recycle semaphore before option is set
(First noticed on OpenBSD)

way.

Edit User menu now shows user number and name/alias (Name preferred, alias
if name is empty)

ToDo:
Find User
Create New User
User List Sorting
User List Field Selection

elements in the returned message index array, causing locking and
reading msg errors (-110 and -205).

soon.

Not sure where to find that.

a good test case for xpdev/dirwrap and md5 or crc32 functions.

terminate in \n instead of \r.

Please don't build it.  :-)

Fixed WAY too many memory leaks.
Editing now uses the program specified in VISUAL if DISPLAY is also set...
  otherwise uses EDITOR.

Question: Should file viewing use the PAGER program or the internal display
routine?