Colony

Fixed

* Unit tests

Fixed

* Issue with the `object_attribute_names()` method that prevented proper serialization

Changed

* Behaviour of the `is_production()` method to be aligned with developers' expectations

Added

* Conversion of XML to Dictionary using `xml_to_dict()`
* Conversion of Dictionary to XML using `dict_to_xml()`

Changed

* Greatly improved scheduling solution - [6](https://github.com/hivesolutions/colony/issues/6)
* Improved timeout overflow checking in scheduling

Fixed

* Small race condition in scheduling for the `is_running()`, now supports the `pedantic` flag