Fixes and improvements for new table system

tests/integration/TablesTests.cpp

@@ -98,6 +98,18 @@ table.foo = 500
     delete script;
 }
 
+TEST_CASE( "Dynamic numerical table size", "[integration]" ) {
+    Script* script = Script::Create(
+            R"(
+table = {}
+table[1] = 500
+return table[1]
+)");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    CHECK(result -> EvaluateInteger() == 500);
+    delete script;
+}
 
 
 #endif