Add thumbnailer support and TVMVersion and TFile are now accessable from language

src/types/closure.cpp

@@ -32,6 +32,13 @@ namespace Tesses::CrossLang {
         if(this->marked) return;
         this->marked = true;
         this->callable->Mark();
+        GC::Mark(this->tag);
+    }
+    void TCallable::Mark()
+    {
+        if(this->marked) return;
+        this->marked=true;
+        GC::Mark(this->tag);
     }
     void TClosure::Mark()
     {
@@ -40,7 +47,7 @@ namespace Tesses::CrossLang {
         this->file->Mark();
         this->env->Mark();
         this->closure->Mark();
-        
+        GC::Mark(this->tag);
     }
     TClosure* TClosure::Create(GCList& ls,TEnvironment* env,TFile* file,uint32_t chunkId,bool ownScope)
     {

src/types/dictionary.cpp

@@ -72,6 +72,15 @@ namespace Tesses::CrossLang  {
 
         return TEnumerator::CreateFromObject(ls,cb->Call(ls,{dict}));
     }
+    bool TDictionary::MethodExists(GCList& ls,std::string method)
+    {
+        ls.GetGC()->BarrierBegin();
+        auto r = this->GetValue(method);
+        TCallable* callable;
+        bool res = GetObjectHeap(r,callable);
+        ls.GetGC()->BarrierEnd();
+        return res;
+    }
     bool TDynamicDictionary::MethodExists(GCList& ls,std::string name)
     {
         auto dict = TDictionary::Create(ls);