Bumped lib to 2.0 in README
Fixed typo
Added a cookbook about user persistance
minor #3 Added a cookbook about user persistance (lyrixx)

This PR was merged into the 2.x-dev branch.

Discussion
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Added a cookbook about user persistance

Commits
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374fe37 Added a cookbook about user persistance
17ee2b8 Fixed typo
b5861a2 Bumped lib to 2.0 in README