Address issue #422: update .gitignore.

.gitignore

@@ -162,6 +162,24 @@ renderDocSettings
 !webgl/WebGL*.html
 
 v3dheadertypes.h
-v3dtypes.h
+v3dheadertypes.py
 base/v3dheadertypes.asy
+
+v3dtypes.h
+v3dtypes.py
 base/v3dtypes.asy
+
+LspCpp/CMakeCache.txt
+LspCpp/CMakeDoxyfile.in
+LspCpp/CMakeDoxygenDefaults.cmake
+LspCpp/CMakeFiles/
+LspCpp/Makefile
+LspCpp/cmake_install.cmake
+LspCpp/third_party/uri/CMakeFiles/
+LspCpp/third_party/uri/Doxyfile
+LspCpp/third_party/uri/Makefile
+LspCpp/third_party/uri/cmake_install.cmake
+LspCpp/third_party/uri/src/CMakeFiles/
+LspCpp/third_party/uri/src/Makefile
+LspCpp/third_party/uri/src/cmake_install.cmake
+base/webgl/asygl.js