avoid recursive quoteIdentifier call

each $part does not contain ".", so quoteSingleIdentifier may be called directly thus avoiding recursive strpos checks.

[DBAL-959] Allow to get bound parameter types from query builder

Close #465

bug fix for db2 v10 new column def of syscat.columns.default

[DBAL-830] Fix SQL Server default constraint name generation for quoted identifiers

Fix typos

Fix DocBlock type hint

Fix quoted integers as default value.

Fix: Travis-CI configuration

Add tests for select all behaviour when not using a table alias

[DBAL-669] Make schema visit namespaces

[DBAL-923] [DBAL-924] Fix SQLite integer type primary autoincrement columns

Close #657

Remove not needed stuff from the PHPUnit boostrap file

Close #662