of rational values as a string fraction keyed by tag key</td></tr>

<tr><td>Recreated</td><td>Directories recreated when writing (used to prevent recreating
    multiple directories of the same type)</td></tr>

<tr><td>REQUESTED_TAGS</td><td>List of requested tags in original case</td></tr>

<tr><td>REQ_TAG_LOOKUP</td><td>Hash for looking up requested tags (keys are lower case tag names)</td></tr>

<tr><td>SAVE_COUNT</td><td>Counts number of times SaveNewValues() has been called</td></tr>

<tr><td>SAVE_DEL_