fixing undescended caves thinggy

parsers/caves.py

@@ -197,6 +197,7 @@ def do_ARGE_cave(slug, caveid, areacode, svxid):
     cave = Cave( 
     underground_description=commentary + line1 +line2 +line3 +passages +"</pre>",
     unofficial_number="",
+    unexplored=False,
     survex_file= f"{svxid}.svx",
     url=url, 
     notes=default_note,
@@ -412,6 +413,7 @@ def getXML(text, itemname, minItems=1, maxItems=None, context=""):
 
 def boolify(boolstrs):
             return {
+            "": False,
             "True": True,
             "False": False,
             "true": True,
@@ -829,6 +831,8 @@ def read_cave(filename, mvf=None, cave=None):
         print(message)
  
     non_public = getXMLmax1("non_public")
+    unexplored = True
+    unexplored = getXMLmax1("unexplored")
     official_name = getXMLmax1("official_name")
     kataster_code = getXMLmax1("kataster_code")
     kataster_number = getXMLmax1("kataster_number")
@@ -886,6 +890,7 @@ def read_cave(filename, mvf=None, cave=None):
             cave.areacode = areacode
          
     cave.non_public=boolify(non_public)
+    cave.unexplored=boolify(unexplored)
     cave.official_name=official_name[0]
     cave.kataster_code=kataster_code[0]
     if "+" in kataster_code[0]: