[DBAL-577] Fix platform's IN expression

Fix Connection::insert() with empty data given

[DBAL-567] Add charset option for pdo_pgsql driver

Document possible Sqlite datetime issues.

add charset option for pdo_pgsql driver

Update PostgreSqlPlatform.php

Implement ExceptionConverterDriver for drizzle_pdo_mysql

Improve driver exception code conversion

[DBAL-543] Fix OCI8 TNS connect descriptor / Add pooled option to PDO_ORACLE

[DBAL-464] Fix dropping primary key with autoincrement column in MySQL

[DBAL-702] Add sslmode connection option to pdo_pgsql driver

Added some mysqli documentation.

phpdoc in Table::addForeignKey() update

Fix binding LOB values in mysqli driver prepared statement

HHVM compatibility: implement declared interfaces

Added some documentation for the drizzle driver.

realpath return false when using the script in a phar file.

Applying suggestions.

[DBAL-400] Fix adding primary key during table alteration in MySQL

Fix mysqli driver options