Merge branch 'master' of https://github.com/wiki-ai/revscoring

Increments version to 0.6.4

Increments version to 0.5.0

Increments version to 0.4.10

Increments version to 0.4.9

Increments version to 0.4.8

Merge pull request wikimedia#150 from wiki-ai/requests_version

Updates requests requirement to loosely specify any version between 2.0.0 and 3.0.0

Increments version to 0.4.5

Increments version to 0.4.4

Increments version to 0.4.1