Added support for "IS" and "IS NOT" comparison operators in PHPFrame_SqlIdObject::where() method as well as "LEFT OUTER JOIN" in join().
Added support for "IS" and "IS NOT" comparison operators in PHPFrame_SqlIdObject::where() method as well as "LEFT OUTER JOIN" in join().

PHPFrame/PHPFrame,chrismcband/PHPFrame,chrismcband/PHPFrame