Added missing @throws
Add parameter types in doc
Merge pull request #639 from JeroenDeDauw/th

Added missing @throws
Merge pull request #640 from JeroenDeDauw/pt

Add parameter types in doc
foreach AS -> foreach as
Merge pull request #642 from JeroenDeDauw/as

foreach AS -> foreach as
Split the methods in TestUtil more and improve naming
Merge pull request #643 from JeroenDeDauw/TestUtill

Split the methods in TestUtil more and improve naming
Simplify getSQLForSelect
Simplify getSQLForSelect more
Use a strict check against null
Remove some evil spaces
Make the $alias parameter in the `from` method optional
Make code Ocramius certified
Merge pull request #646 from JeroenDeDauw/noalias

Make the $alias parameter in the `from` method optional
Update docs to relfect the changes to QueryBuilder::from made in #646
Merge pull request #647 from JeroenDeDauw/docs

Update docs to relfect the changes to QueryBuilder::from made in #646
Update docs to include warning when using object type with PostgreSQL
Merge pull request #653 from exi/documentation-fix-postgresql-object-type

Update docs to include warning when using object type with PostgreSQL