Merge pull request #94 from PatrickDropbox/master

Fix resource pool release / discard to not waste cpu on generating benign error
Tuple expressions for sql lib
Merge pull request #96 from PatrickDropbox/master

mysql binlog's proto enum definitions
Merge pull request #97 from PatrickDropbox/master

mv bufio2 to godropbox
Merge pull request #98 from PatrickDropbox/master

mv binlog parser to godropbox
Merge pull request #99 from PatrickDropbox/master

add doc.go for proto/ to expose godoc
Error on an empty tuple, and test for that
Merge pull request #95 from sixolet/master

Tuple expressions for sqlbuilder
Copy() and AndWhere()

These features should enable outside libraries to automatically page
queries, by copying a base query and adjusting its where clause.
Deal with initial AndWhere
Merge pull request #100 from sixolet/manipulations

Add Copy() and AndWhere() to sqlbuilder
Improved binlog testing.
Merge pull request #101 from kxing/kxing_binlog_1

Improved binlog testing.
Folded FakeLogFile into MockLogFile.
Merge pull request #102 from kxing/kxing_binlog_2

Folded FakeLogFile into MockLogFile.
Add FORCE INDEX to sqlbuilder
Merge pull request #103 from teisenbeDropbox/force_index

Add FORCE INDEX to sqlbuilder
Improve test coverage of behavior
Merge pull request #104 from teisenbeDropbox/force_index

Improve test coverage of FORCE INDEX behavior
Simplified MockLogFile implementation.