update xc3_model, improve finding skeleton file

Author: ScanMountGoat

xc3_model_py/Cargo.toml

@@ -6,8 +6,8 @@ edition = "2021"
 readme = "../README.md"
 
 [dependencies]
-xc3_model = { git = "https://github.com/ScanMountGoat/xc3_lib", rev = "418ff9a" }
-xc3_lib = { git = "https://github.com/ScanMountGoat/xc3_lib", rev = "418ff9a" }
+xc3_model = { git = "https://github.com/ScanMountGoat/xc3_lib", rev = "0fecccd" }
+xc3_lib = { git = "https://github.com/ScanMountGoat/xc3_lib", rev = "0fecccd" }
 xc3_model_py_derive = { path = "../xc3_model_py_derive" }
 image_dds = "0.6.1"
 pyo3 = { version = "0.23.3", features = ["extension-module", "indexmap", "py-clone"] }