Allow default values to be passed in for modified attributes

eos/gamedata.py

@@ -246,10 +246,8 @@ class Item(EqBase):
     def getAttribute(self, key, default=None):
         if key in self.attributes:
             return self.attributes[key].value
-        elif default:
-            return default
         else:
-            return None
+            return default
 
     def isType(self, type):
         for effect in self.effects.itervalues():

eos/modifiedAttributeDict.py

@@ -25,19 +25,19 @@ cappingAttrKeyCache = {}
 
 
 class ItemAttrShortcut(object):
-    def getModifiedItemAttr(self, key):
+    def getModifiedItemAttr(self, key, default=None):
         if key in self.itemModifiedAttributes:
             return self.itemModifiedAttributes[key]
         else:
-            return None
+            return default
 
 
 class ChargeAttrShortcut(object):
-    def getModifiedChargeAttr(self, key):
+    def getModifiedChargeAttr(self, key, default=None):
         if key in self.chargeModifiedAttributes:
             return self.chargeModifiedAttributes[key]
         else:
-            return None
+            return default
 
 
 class ModifiedAttributeDict(collections.MutableMapping):