Merge pull request #6 from alexanderson/master

Adding Readme
Adding a README
Merge pull request #7 from dannybutler/master

Adding a README
Adding database changes

Removed metadata table.
Added Sender and CallStack tables.
Renamed Profile table to MethodCall.
CallStack is owned by a Sender and a MethodCall and owns many
CallStackItems.
Merge pull request #8 from dannybutler/master

Adding database changes
Adding gitignore file
Merge pull request #9 from dannybutler/master

Adding gitignore file