unintialized variable cleanups

Engine/source/console/runtime.h

@@ -12,7 +12,7 @@ namespace Con
       String error;
 
    public:
-      EvalResult() {}
+      EvalResult() { valid = false;  error = ""; }
 
       EvalResult(ConsoleValue pValue)
       {

Engine/source/core/util/tDictionary.h

@@ -179,8 +179,8 @@ class HashTable
 public:
    struct Pair
    {
-      Key  key;
-      Value value;
+      Key  key{};
+      Value value{};
       Pair() {}
       Pair(Key k,Value v)
          :  key(k),