tidy up
merge
updates
Must call  before we can use our inbox
Require parser before showing it used
Add some convenience functions to folder ns
Merge pull request #10 from mathias/documentation_updates

More docs updates
Merge pull request #11 from mathias/get-message-counts

Add some convenience functions to folder ns
refactor and better tests
Update README.md
updates message extraction to handle failure
Quick fix for mismatched parens
Merge pull request #13 from mathias/fix-test-parens

Quick fix for mismatched parens
refactor based in ideas around passing store directly