Use cleaner expect/toThrow formatting
Use readExists to test object existence
rm slightly confusing readIsHash()
rm todo I decided against
Give var better name
Todo done
Always pass prefix to writeFilesFromTree()
rm wrong todo
Todo done
rm todo I'm not going to do
rm files.write() - just use node fn directly
Todo done
Fix spelling
Todo done
Todo done
Add decision
Add decision
Add todo
Test that checkout is idempotent
rm todo