Initial PDO implementation. Still lacks LOB support, and suspected tons of bugs.
Proper use of the ext_pdo implementation of query rewrite mechanism, should fix a couple of small bugs with prepared statements in emulated mode and also usage of cursors (which still needs alot of tests)
Get PDO support compiling
use empty_string() instead of empty_string

empty_string is no longer a constant, but is now a function
Fix up indentation
fix pdo mixed indents
Merge pull request #24 from jrobeson/fix-pdo-indent

fix pdo mixed indents
use space as delimeter
Merge pull request #26 from Mayflower/pdo

Use the correct delimeter
Merge remote-tracking branch 'origin/pdo'
Correct PDO implementation to match newer HHVM versions

Closes #2
Closes #37
Closes #41