Update changelog and change pony version: 0.7.3-dev -> 0.7.3

CHANGELOG.md

@@ -1,3 +1,49 @@
+# Pony ORM Release 0.7.3 (2017-10-23)
+
+## New features
+
+* `where()` method added to query
+* `coalesce()` function added
+* `between(x, a, b)` function added
+* #295: Add `_table_options_` for entity class to specify engine, tablespace, etc.
+* Make debug flag thread-local
+* `sql_debugging` context manager added
+* `sql_debug` and show_values arguments to db_session added
+* `set_sql_debug` function added as alias to (to be deprecated) `sql_debug` function
+* Allow `db_session` to accept `ddl` parameter when used as context manager
+* Add `optimistic=True` option to db_session
+* Skip optimistic checks for queries in `db_session` with `serializable=True`
+* `fk_name` option added for attributes in order to specify foreign key name
+* #280: Now it's possible to specify `timeout` option, as well as pass other keyword arguments for `sqlite3.connect` function
+* Add support of explicit casting to int in queries using `int()` function
+* Added modulo division % native support in queries
+
+## Bugfixes
+
+* Fix bugs with composite table names
+* Fix invalid foreign key & index names for tables which names include schema name
+* For queries like `select(x for x in MyObject if not x.description)` add "OR x.info IS NULL" for nullable string columns
+* Add optimistic checking for `delete()` method
+* Show updated attributes when `OptimisticCheckError` is being raised
+* Fix incorrect aliases in nested queries
+* Correctly pass exception from user-defined functions in SQLite
+* More clear error messages for `UnrepeatableReadError`
+* Fix `db_session(strict=True)` which was broken in 2d3afb24
+* Fixes #170: Problem with a primary key column used as a part of another key
+* Fixes #223: incorrect result of `getattr(entity, attrname)` when the same lambda applies to different entities
+* Fixes #266: Add handler to `"pony.orm"` logger does not work
+* Fixes #278: Cascade delete error: FOREIGN KEY constraint failed, with complex entity relationships
+* Fixes #283: Lost Json update immediately after object creation
+* Fixes #284: `query.order_by()` orders Json numbers like strings
+* Fixes #288: Expression text parsing issue in Python 3
+* Fixes #293: translation of if-expressions in expression 
+* Fixes #294: Real stack traces swallowed within IPython shell
+* `Collection.count()` method should check if session is alive
+* Set `obj._session_cache_` to None after exiting from db session for better garbage collection
+* Unload collections which are not fully loaded after exiting from db session for better garbage collection
+* Raise on unknown options for attributes that are part of relationship
+
+
 # Pony ORM Release 0.7.2 (2017-07-17)
 
 ## New features

pony/__init__.py

@@ -4,7 +4,7 @@
 from os.path import dirname
 from itertools import count
 
-__version__ = '0.7.3-dev'
+__version__ = '0.7.3'
 
 uid = str(random.randint(1, 1000000))