WyRL: bug fix for ordering in applyUndo() function. The order in which the oneStepUndo information in applyUndo() was being applied was incorrect. This is now corrected, but no further test cases are passing yet.  #382
WyRL: bug fix for ordering in applyUndo() function.
The order in which the oneStepUndo information in applyUndo() was being
applied was incorrect. This is now corrected, but no further test cases
are passing yet.  #382

hjwylde/whiley-compiler,hjwylde/whiley-compiler,hjwylde/whiley-compiler,Whiley/WhileyCompiler,hjwylde/whiley-compiler,hjwylde/whiley-compiler