Slimmed down .gitignore

.gitignore

@@ -1,31 +1,18 @@
+bookenv/
+/build
+.coverage
+coverage.xml
+dist/
+/env*
+env*/
 *.egg
 *.egg-info
 .eggs/
+jyenv/
 *.pyc
 *$py.class
-*.pt.py
-*.txt.py
+pypyenv/
 *~
 .*.swp
-.coverage
-.coverage.*
 .tox/
-nosetests.xml
-coverage.xml
-nosetests-*.xml
-coverage-*.xml
-tutorial.db
-build/
-dist/
-bin/
-lib/
-include/
-.idea/
-distribute-*.tar.gz
-bookenv/
-jyenv/
-pypyenv/
-env*/
 venv/
-.cache/
-.python-version