.gitignore in pycall-1.3.1 vs .gitignore in pycall-1.4.0

@@ -8,9 +8,11 @@
 /spec/reports/
 /tmp/
 
 __pycache__/
 .ipynb_checkpoints/
+/ext/**/Makefile
+/ext/**/mkmf.log
 *.bundle
 *.so
 *.o
 *.pyc