update gitignore

.gitignore

+Doc/build/
+Doc/tools/docutils/
+Doc/tools/jinja2/
+Doc/tools/pygments/
+Doc/tools/sphinx/
+Makefile
+Makefile.pre
+Misc/python.pc
+Modules/Setup
+Modules/Setup.config
+Modules/Setup.local
+Modules/config.c
+Parser/pgen
+Parser/pgen.stamp
+build/
+config.log
+config.status
+libpython3.2.a
+pybuilddir.txt
+pyconfig.h
+python
+python-gdb.py
+tags
+Lib/lib2to3/Grammar3.2.0.alpha.2.pickle
+Lib/lib2to3/PatternGrammar3.2.0.alpha.2.pickle
+autom4te.cache