#238 fix search being case-sensitive sometimes

enzevalos_iphone/SearchHelper.swift

@@ -43,7 +43,7 @@ func containsSearchTerms ( content : String?, searchText: String) -> Bool
         }
         else
         {
-            terms.append(longterms[i])
+            terms.append(longterms[i].lowercased())
         }
         i+=1
     }