Bump version to 0.8.0

Bump version

Bump version to 0.6.0

Bump version to 0.5.0

Merge pull request guilleiguaran#82 from guilleiguaran/fix-specs-agai…

…nst-redis-server

Fix specs against redis-server 2.8.1

Bump version to 0.4.2

Bump to v0.3.3

Bump version to 0.4.1

Bump to version 0.4.0

Bump to version 0.3.2