<commit_before># Changelog
The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).

Exclamation symbols (:exclamation:) note something of importance e.g. breaking changes. Click them to learn more.

## [Unreleased]
### Added
### Changed
### Deprecated
### Removed
### Fixed
### Security

## [0.52.0] - 2018-01-07
### Fixed
- Entity relations and wrong types for payments.
- Allow empty string for `switch_inline_query` and `switch_inline_query_current_chat` (InlineKeyboardButton).
- Fix empty date entry for User and Chat entities, using the current timestamp instead.

## [0.51.0] - 2017-12-05
:exclamation: After updating to this version, you will need to execute the [SQL migration script][0.51.0-sql-migration] on your database.
### Added<commit_msg>Add changelog entry for #765<commit_after># Changelog
The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).

Exclamation symbols (:exclamation:) note something of importance e.g. breaking changes. Click them to learn more.

## [Unreleased]
### Added
### Changed
- Add debug log entry instead of throwing an exception for duplicate updates.
### Deprecated
### Removed
### Fixed
### Security

## [0.52.0] - 2018-01-07
### Fixed
- Entity relations and wrong types for payments.
- Allow empty string for `switch_inline_query` and `switch_inline_query_current_chat` (InlineKeyboardButton).
- Fix empty date entry for User and Chat entities, using the current timestamp instead.

## [0.51.0] - 2017-12-05
:exclamation: After updating to this version, you will need to execute the [SQL migration script][0.51.0-sql-migration] on your database.
### Added
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{'dir': 'git-commits-cleaned', 'id': '2698488', 'n_tokens_mistral': 559, 'n_tokens_neox': 508, 'n_words': 199}