bug fix for db2 v10 new column def of syscat.columns.default
remove debug echo statements and use more phpunit built in facilities where available
more compat with php 5.3
add test to verify null cast in boolean type
resolves #632 Fix null cast in boolean type in Postgres platform
refs #632 Remove is_null to be consistent with doctrine coding standard
remove unsuitable test
Revert "remove unsuitable test"

This reverts commit 58d73c023ab8fadfc1f71e3728c74439d59ab7df.

I deleted the wrong file lol...
remove testwhich was unsuitable for test suite
Update PostgreSqlPlatform.php

Add new line after an IF statement to be consistent with the coding standard
Merge pull request #1 from doctrine/master

Update from master
Test to check null conversion with boolean type

Add functional test to check null conversion with boolean type. This test required NULL to be allowed in the table column.
Merge pull request #2 from doctrine/master

Update from master repository
refs #632 check boolean conversion with and without PDO type value

Add unit test to check boolean conversion with and without PDO boolean type
Merge pull request #3 from doctrine/master

Update from master repository
Fix boolean conversion with php 5.6
Revert change to fix php 5.6
Change assertEquals to assertSame
Merge pull request #4 from doctrine/master

Update from main repository
take SQL Server quote characters into account for assets