Merge branch 'release-1.0.2' into develop
The next version will be 1.0.3
Merge branch 'master' into develop
Implement force people (senior officers) API call with tests
Add travis badge to README
Merge branch 'feature/senior-officers' into develop
Bump version number
Merge branch 'release/1.1.0'
Merge branch 'release/1.1.0' into develop
Start adding detail to the documentation
Fixed a couple of typos in docs
Start adding reference detail to the documentation
Finish off documenting the API reference
Add reference for Police API methods
Add Crime & Outcomes docs to the index page
Link to our Travis builds from the status badge.

Also, take the opportunity to switch to the SVG version.
Shuffle the index page around a little so it makes more sense
Merge branch 'develop' of github.com:rkhleics/police-api-client-python into develop
Don't try to get outcomes for Crime objects with no persistent ID.
Don't allow outcomes to be None. If the API returns null, make it [].