[Bug 21046] cmd does not handle all operators in 'if' command

http://bugs.winehq.org/show_bug.cgi?id=21046

--- Comment #4 from Frédéric Delanoy  2011-11-08 14:17:31 CST ---
Created attachment 37384
  --> http://bugs.winehq.org/attachment.cgi?id=37384
operators implementation + tests

Tentative implementation with unit tests.
Apparently needs "more thought" (or maybe a preliminary re-implementation of
whole cmd parsing code)
Volunteers are welcome.