remove comment
fix column comment functional test
fix sqlsrv driver functional test suite
skip pdo_sqlsrv varbinary/blob tests for now due to a driver bug
fix SQL Azure functional tests
fix bindParam signature in PDOStatement to avoid errors in pdo_sqlsrv
mention pdo_sqlsrv driver limitations with binding values to varbinary/blob columns
add sqlsrv driver to configuration documentation
fix skip message
Merge pull request #491 from deeky666/fix-sqlsrv-drivers-test-suite

Fix SQL Server drivers and functional test suites