This closes #88.
It also extensively refactors the metroscope package to avoid lists in favor of strings, which will be easier to store in the database in the future.
Lastly, refactors the samples injection code out of reset_db() and into their respective models as static methods.
This closes #88. It also extensively refactors the metroscope package to avoid lists in favor of strings, which will be easier to store in the database in the future. Lastly, refactors the samples injection code out of reset_db() and into their respective models as static methods.