Unit Tests

- Improved signal to noise ratio for op_*.t tests.
- Updated ANALYSIS file.

test/ANALYSIS

@@ -18,6 +18,3 @@ FH merge fails because of missing undo.data in data dirs.
 FH 'task info' shows tasks from the completed.data file when doing a filter on the ID
    could it be confused and interpretes this as an UUID
 
-* bug.concat.t
-PB The word 'original' is parsed as 'or'(operator) ' '(space) 'iginal'(word).
-