#060227 cs  -          Changelog created.
070430 rk   rt         Changed error handling so that sporadic error are allowed 
                       and does not cause system to halt
070518 rk   rt         Added i/o swap-method to avoid stall during warm restart.
080226 cs   rt         Read method for co-card changed with double reading of high word (24-bit only).
080926 cs   rt         Bugfix for do cards. 16 channels do card couldn't be handled.
100630 cs   rt         PSS9000 card MIO3102up added.
110831 cs   rt         PSS9000 Ao-cards, max number of channels increased to 16
110905 cs   rt         PSS9000 remote rack check of return status added
110905 cs   rt         PSS9000 stall for ao card in remote rack added
