Add various @since tags to methods that are new in 1.10.4

panda/src/pgraph/nodePath.cxx

@@ -3139,6 +3139,8 @@ get_texture(TextureStage *stage) const {
 /**
  * Recursively searches the scene graph for references to the given texture,
  * and replaces them with the new texture.
+ *
+ * @since 1.10.4
  */
 void NodePath::
 replace_texture(Texture *tex, Texture *new_tex) {

panda/src/pgraph/pythonLoaderFileType.h

@@ -24,6 +24,8 @@
  * This defines a Python-based loader plug-in.  An instance of this can be
  * constructed by inheritance and explicitly registered, or it can be created
  * by passing in a pkg_resources.EntryPoint instance.
+ *
+ * @since 1.10.4
  */
 class PythonLoaderFileType : public LoaderFileType {
 public:

panda/src/pgraph/textureAttrib.cxx

@@ -240,6 +240,8 @@ unify_texture_stages(TextureStage *stage) const {
 /**
  * Returns a new TextureAttrib, just like this one, but with all references to
  * the given texture replaced with the new texture.
+ *
+ * @since 1.10.4
  */
 CPT(RenderAttrib) TextureAttrib::
 replace_texture(Texture *tex, Texture *new_tex) const {