[2.0] DDC-200 Implemented support for @columnDefinition - even with support to pass the definition to join columns if necessary for relations.

DDC-179 - Fixed issue with persistance of date fields by moving ! operator to the convertToPhpValue method.

[2.0][DDC-249] Fixed issue that documentation refers QueryBuilder::select() supports array, but it was only restricted to strings.

[2.0][DDC-249] Fixed issue that documentation refers QueryBuilder::select() supports array, but it was only restricted to strings.

[2.0][DDC-254] Improved MappingException thrown on missing required configuration of Many-Many mapping

DDC-179 - Use ! modifier in Date Format to reset all non-date parts to zero unix timestamp values, i.e. H:i:s => '00:00:00' always

[2.0][DDC-236] Enhanced unique constraints to support names. Fixed general issues on XML and YAML exporters. Fixed issues on XML, YAML, Doctrine 1.X and Annotation drivers.

[2.0][DDC-236] Enhanced unique constraints to support names. Fixed general issues on XML and YAML exporters. Fixed issues on XML, YAML, Doctrine 1.X and Annotation drivers.

[2.0][DDC-234] Fixed issue with EntityRepository that was not considering alias of root Entity when instantiating a new QueryBuilder

[2.0][DDC-240] Fixed issue with StandardEntityPersister that was attempting to delete Entities based on field names instead of column names.

[2.0][DDC-237][DDC-216] Fixed. If you're using manual proxy generation through the CLI, please regenerate your proxies.

[2.0] Refactorings in DQL parser to allow more granular enhancements scheduled for later versions. Fixed issues with missing validations of invalid ResultVariable, Unknown query components and Re-declaration of query compoenents.