Added more warning flags for GCC (as suggested in issue #28)

include/ArduinoJson/Internals/JsonNode.hpp

@@ -23,7 +23,7 @@ namespace ArduinoJson
                 JSON_PROXY,
                 JSON_DOUBLE_0_DECIMALS,
                 JSON_DOUBLE_1_DECIMAL,
-                JSON_DOUBLE_2_DECIMALS,
+                JSON_DOUBLE_2_DECIMALS
                 // etc.
             };
 

include/ArduinoJson/Internals/JsonNodeIterator.hpp

@@ -12,32 +12,32 @@ namespace ArduinoJson
         public:
 
             explicit JsonNodeIterator(JsonNode* node)
-            : node(node)
+                : _node(node)
             {
             }
 
             bool operator!= (const JsonNodeIterator& other) const
             {
-                return node != other.node;
+                return _node != other._node;
             }
 
             void operator++()
             {
-                node = node->next;
+                _node = _node->next;
             }
 
             JsonNode* operator*() const
             {
-                return node;
+                return _node;
             }
 
             JsonNode* operator->() const
             {
-                return node;
+                return _node;
             }
 
         private:
-            JsonNode* node;
+            JsonNode* _node;
         };
     }
 }

include/ArduinoJson/JsonArray.hpp

@@ -22,7 +22,7 @@ namespace ArduinoJson
         void add(bool value);
         void add(const char* value);
         void add(double value, int decimals=2);
-        void add(int value) { add((long) value); }
+        void add(int value) { add(static_cast<long>(value)); }
         void add(long value);
         void add(JsonContainer nestedArray); // TODO: should allow JsonValue too