Added builder wrapper due to plugin setup

src/core/builder_wrapper.py

@@ -0,0 +1,33 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class BuilderWrapper(Gtk.Builder):
+    """docstring for BuilderWrapper."""
+
+    def __init__(self):
+        super(BuilderWrapper, self).__init__()
+
+        self.objects = {}
+
+    def get_object(self, id: str, use_gtk: bool = True) -> any:
+        if not use_gtk:
+            return self.objects[id]
+
+        return super(BuilderWrapper, self).get_object(id)
+
+    def expose_object(self, id: str, object: any, use_gtk: bool = True) -> None:
+        if not use_gtk:
+            self.objects[id] = object
+        else:
+            super(BuilderWrapper, self).expose_object(id, object)
+
+    def dereference_object(self, id: str) -> None:
+        del self.objects[id]