Minor refactoring
Added SQLAlchemy to requirements
Minor refactorings.
VS3.1 Fixed test class naming.
Added first version of calculating starting population in jail counts.
Minor refactoring.
Merge branch 'v2.0-dev' of https://github.com/sc3/cookcountyjail into v2.0-dev
These are not needed and the in_jail calculation is wrong.
Merge pull request #307 from nwinklareth/v2.0-dev

Removed incorrect in_jail files and also contains merged files.