public function removeSection( $section )
	{
		if( !$this->usesSections() )
			throw new RuntimeException( 'Sections are disabled' );
		if( !$this->hasSection( $section ) )
			throw new InvalidArgumentException( 'Section "'.$section.'" is not existing' );
		$index	= array_search( $section, $this->sections);
		unset( $this->sections[$index] );
		return is_int( $this->write() );
	}