Merge pull request #21 from gi0baro/master

Crafting a Christmas pre-release
updated pg8000 postgres driver
added pg8000 to travis-ci
Merge pull request #22 from ilvalle/pg8000

updated pg8000 postgres driver
builds docs
coverage and coveralls integration
fix README example
Merge pull request #26 from ilvalle/readme

fix README example
Merge pull request #23 from niphlod/enhancement/docs

builds docs
Merge pull request #24 from niphlod/enhancement/coverage

coverage and coveralls integration
Fixing few typos