Update to 0.10.6

CHANGES:
0.10.6
    #625, more documentation about args/argPos
    #626, ensure initial lists don't get reversed (fix after #610)
    ( #610 => http://code.google.com/p/ndmitchell/issues/detail?id=610 )
    ( #625 => http://code.google.com/p/ndmitchell/issues/detail?id=625 )
    ( #626 => http://code.google.com/p/ndmitchell/issues/detail?id=626 )