AAA person birth/death sometimes are empty

[VladimirAlexiev]

http://data.americanartcollaborative.org/page/aaa/person/5680/death is an empty Death node.
This record has DISPLAYDATEDIED "1945 or 1952" and no DIEDPLACE.

The reason is flawed conditional logic whether to make the URL:

DeathURI

From column: DISPLAYDATEDIED

if getValue("DIEDPLACE") or getValue("DISPLAYDATEDIED"):
    return getValue("ConstituentURI")+"/death"
else:
    return ""

But _BirthDateEarliest_ specifies that getValue("DISPLAYDATEBORN") is used only if that's exactly 4 chars. So the above value is treated as null, making the /death node useless