v0.0.56
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* Fixed a bug where mysql key can be changed since it's using a reference on the mysql object

v0.0.55
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* Added support for squel to build query for promise
* Updated squel dependency
* Use squel.cls.isSquelBuilder
* Moved global dependencies to devDependencies
* Added docs and build command in npm scripts

v0.0.54
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* Fixed a bug with using transactions in pooled connections not re-using the connection