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Merge branch 'develop-2' of github.com:auraphp/Aura.Sql_Query into develop-2
Added left/inner join helper methods
Merge pull request #12 from stanlemon/join-helpers

Added left/inner join helper methods
Fixes issue #11. bindValue and bindValues now return fluent interface
Merge pull request #15 from harikt/bind

Fixes issue #11. bindValue and bindValues now return fluent interface