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Bug Fixes
* Fix incorrect parsing of string literals containing line breaks (issue118).
* Fix typo in keywords, add MERGE, COLLECT keywords (issue122/124,
by Cristian Orellana).
* Improve parsing of string literals in columns.
* Fix parsing and formatting of statements containing EXCEPT keyword.
* Fix Function.get_parameters() (issue126/127, by spigwitmer).
Enhancements
* Classify DML keywords (issue116, by Victor Hahn).
* Add missing FOREACH keyword.
* Grouping of BEGIN/END blocks.
Other
* Python 2.5 isn't automatically tested anymore, neither Travis nor Tox
still support it out of the box.