Bump development version number
Add start of integration tests for next number

I still need to determine a way to run the server in the background.
Add integration tests for next number

One test is still failing
Fix failing test
Pylint cleanup
Update CHANGES
Merge pull request #146 from jacebrowning/next-number-bug

Fix bug getting the next document from a server
Bump release version number
Merge branch 'master' into release-v0.8.1
Merge pull request #147 from jacebrowning/release-v0.8.1

Release v0.8.1