Proof-of-concept implementation of supporting bindparam for offset and limit on a query.
Expand test to also test whether offset accepts a bindparam.
Extract limit/offset to variables
Use _offset_clause and _limit_clause, which are always Visitable and usually a BindParameter, instead of _offset and _limit in GenerativeSelect.
Remove unused import
Pull out offset/limit to a local variable to reduce the impact of the inefficient select._offset and select._limit operations.
Remove unused import
Remove unused import
Remove unused import
Remove unused import
- experiment with multi-zoned navigation
Remove unused import
Another Variant for detecting if a connection is closed

If there is a closed attribute on the connection and
it is true, return true. Implements a todo in the code
and helps in one specific disconnect case where it previously
did not match because the error message was "unknown error".
Merge branch 'master' into rel_0_9
zero_indexes-param-for-postgresql-ARRAY-type
- Fixed bug in mutable extension where :class:`.MutableDict` did not
report change events for the ``setdefault()`` dictionary operation.
fixes #3051
Merge branch 'master' into rel_0_9
Add note on PostgreSQL config for test runs

Several tests on PostgreSQL depend on English-language text search
config being the default in the test DB. This adds a note about that.
Merged in gunnlaugur/sqlalchemy (pull request #19)

Add note on PostgreSQL config for test runs
Merge branch 'master' into rel_0_9