Updated todo
Minor fixes:
Removed error message for case when offset=0
Fixed typo for case RM_OFFSET_RELATIVE
Changed default max depth to PATH_MAX/2
Demoted info message to debug message
Reverted "circular" emptydir stack to a simple brute force option.
Can't have folder depth any more than PATH_MAX/2 (1/1/1/1/1 etc).
Added test during fts to prevent descending into top-level path doubles.
Includes changing RmFile->path values to full (absolute) file paths.
Reformat with astyle.