fix BLOB reading

We do not need these deletes because `node::Buffer::New` accepts `RandomBytesFree` callback for deleting `buffer` by GC. fixes #92

Author: Konstantin Burykin

src/connection.cpp

@@ -699,7 +699,6 @@ Local<Object> Connection::CreateV8ObjectFromRow(ExecuteBaton* baton, vector<colu
             v8::Local<v8::Object> v8Buffer = bufferConstructor->NewInstance(3, constructorArgs);
             obj->Set(String::New(col->name.c_str()), v8Buffer);
             delete v;
-            delete[] buffer;
             break;
           }
           break;
@@ -829,7 +828,6 @@ void Connection::handleResult(ExecuteBaton* baton, Handle<Value> (&argv)[2]) {
               v8::Handle<v8::Value> constructorArgs[3] = { uni::BufferToHandle(nodeBuff), v8::Integer::New(lobLength), v8::Integer::New(0) };
               v8::Local<v8::Object> v8Buffer = bufferConstructor->NewInstance(3, constructorArgs);
               obj->Set(String::New(returnParam.c_str()), v8Buffer);
-              delete [] buffer;
               break;
             }
           case OutParam::OCCIDATE: