[2.0] DDC-169 - Savepoint for Refactorings in Schema-Tool - It is now generating DDL according to the old and the new mechanisms in parallel. Equality of generation has been verified on Sqlite, Mysql, Oracle. If Postgres is also verified, the old code will be removed in favour of the new one completly.

[2.0] - DDC-169 - Added DropSchemaSql Visitor - Refactored Visitor package a bit, however its still not very appealing to have that much use statements cluttered in the code

[2.0] - DDC-169 - Added DropSchemaSql Visitor - Refactored Visitor package a bit, however its still not very appealing to have that much use statements cluttered in the code

[2.0] - DDC-169 - Began refactoring of DBAL code, introduced object notation for a database schema, including Tables, Indexes, Constraints, Sequences and Columns. Added a CreateSql Visitor which transforms a schema object graph into the required SQL statements to create it. Next: Replacing SchemaTool::getCreateSql() with new syntax...

[2.0][DDC-164][DDC-165] Fixed. Cleaned up ManyToManyMapping. Cleaned up identifier handling and handling of composite identifiers in some places.

DDC-127 - Special Case with invalid input parameter in DQL leads to php notice instead of an exception.

DDC-126 - Make Query, NativeQuery Fluent-Interfaces for all their set Methods, renamed setExpireQueryCache() and setExpireResultCache() to expireQueryCache() and expireResultCache(). Updated UPGRADE_TO_2_0 document accordingly.

DDC-127 - Enhance IterableResult by making it implement the Iterator interface, wrote a unit-test for this scenario, also added some additional tests for special cases in the query api that lead to exceptions.

[2.0][DDC-158] Small correction to previous patch. Moved takeSnapshot up in order not lose new objects that were added before initialization.

[2.0][DDC-158] Fixed. Collections did not take snapshots after lazy initialization leading to wrong change sets.

[2.0] Fix Fatal errors in unused classes that crash the testsuite when running PHPUnit with coverage-whitelisting of complete Doctrine directory.

[2.0] Fix Tab Formating in ParserResult class, added doc-comments and fixed a missing variable initialization error for certain query special cases.

[2.0] DDC-109 - Fixed another warning in SchemaTool with inverse join columns and unique constraints.