--- a/Core/Lua/LuaContext.cpp	Thu Feb 02 15:08:33 2017 +0100
+++ b/Core/Lua/LuaContext.cpp	Thu Feb 02 21:09:06 2017 +0100
@@ -62,7 +62,6 @@
     return true;
   }
   
-
   LuaContext& LuaContext::GetLuaContext(lua_State *state)
   {
     const void* value = GetGlobalVariable(state, "_LuaContext");
@@ -210,14 +209,37 @@
     return true;
   }
 
+  void LuaContext::SetHttpHeaders(lua_State *state, int top)
+  {
+    this->httpClient_.ClearHeaders(); // always reset headers in case they have been set in a previous request
+
+    if (lua_gettop(state) >= top)
+    {
+      Json::Value headers;
+      this->GetJson(headers, top, true);
+
+      Json::Value::Members members = headers.getMemberNames();
+
+      for (Json::Value::Members::const_iterator 
+           it = members.begin(); it != members.end(); ++it)
+      {
+        this->httpClient_.AddHeader(*it, headers[*it].asString());
+      }
+      LOG(ERROR) << "4";
+    }
+
+  }
   
+
+
   int LuaContext::CallHttpGet(lua_State *state)
   {
     LuaContext& that = GetLuaContext(state);
 
     // Check the types of the arguments
     int nArgs = lua_gettop(state);
-    if (nArgs != 1 || !lua_isstring(state, 1))  // URL
+    if ((nArgs < 1 or nArgs > 2) ||         // check args count
+       !lua_isstring(state, 1))             // URL is a string
     {
       LOG(ERROR) << "Lua: Bad parameters to HttpGet()";
       lua_pushnil(state);
@@ -228,6 +250,8 @@
     const char* url = lua_tostring(state, 1);
     that.httpClient_.SetMethod(HttpMethod_Get);
     that.httpClient_.SetUrl(url);
+    that.httpClient_.GetBody().clear();
+    that.SetHttpHeaders(state, 2);
 
     // Do the HTTP GET request
     if (!that.AnswerHttpQuery(state))
@@ -247,9 +271,9 @@
 
     // Check the types of the arguments
     int nArgs = lua_gettop(state);
-    if ((nArgs != 1 && nArgs != 2) ||
-        !lua_isstring(state, 1) ||                // URL
-        (nArgs >= 2 && !lua_isstring(state, 2)))  // Body data
+    if ((nArgs < 1 || nArgs > 3) ||                 // check arg count
+        !lua_isstring(state, 1) ||                  // URL is a string
+        (nArgs >= 2 && (!lua_isstring(state, 2) && !lua_isnil(state, 2))))    // Body data is null or is a string
     {
       LOG(ERROR) << "Lua: Bad parameters to HttpPost() or HttpPut()";
       lua_pushnil(state);
@@ -260,8 +284,9 @@
     const char* url = lua_tostring(state, 1);
     that.httpClient_.SetMethod(method);
     that.httpClient_.SetUrl(url);
+    that.SetHttpHeaders(state, 3);
 
-    if (nArgs >= 2)
+    if (nArgs >= 2 && !lua_isnil(state, 2))
     {
       that.httpClient_.SetBody(lua_tostring(state, 2));
     }
@@ -299,7 +324,7 @@
 
     // Check the types of the arguments
     int nArgs = lua_gettop(state);
-    if (nArgs != 1 || !lua_isstring(state, 1))  // URL
+    if (nArgs < 1 || nArgs > 2 || !lua_isstring(state, 1))  // URL
     {
       LOG(ERROR) << "Lua: Bad parameters to HttpDelete()";
       lua_pushnil(state);
@@ -310,6 +335,8 @@
     const char* url = lua_tostring(state, 1);
     that.httpClient_.SetMethod(HttpMethod_Delete);
     that.httpClient_.SetUrl(url);
+    that.httpClient_.GetBody().clear();
+    that.SetHttpHeaders(state, 2);
 
     // Do the HTTP DELETE request
     std::string s;

--- a/Core/Lua/LuaContext.h	Thu Feb 02 15:08:33 2017 +0100
+++ b/Core/Lua/LuaContext.h	Thu Feb 02 21:09:06 2017 +0100
@@ -83,6 +83,8 @@
     void GetJson(Json::Value& result,
                  int top,
                  bool keepStrings);
+
+    void SetHttpHeaders(lua_State* state, int top);
     
   public:
     LuaContext();