Redirect print and warn automatically and have it ready in get_redirected_test_output()

Add =begin common_but_not_in_pod


inline tests in common section

	my $cc_value = $config->Get(NAME => 'CC')
	is($cc_value, 'CC', 'Get returns right value') ; ## test

or

	my $cc_value = $config->Get(NAME => 'CC')
	
	## test
	is($cc_value, 'CC', 'Get returns right value') ;
	is($cc_value, 'CC', 'Get returns right value') ;
	## end test


=begin POD::Tested

	# defaults to common
	$config->Set(NAME => 'CC', VALUE => 'gcc') ;
	$config->Set(NAME => 'LD', VALUE => 'ld') ;
	
	my $cc_value = $config->Get(NAME => 'CC')
	## test
	is($cc_value, 'CC', 'Get returns right value') ; 
	## common
	
	more stuff

=end POD::Tested


or 

=begin POD::Tested

=head2 XYZ

This will create a container with blah blah ...

=head3	Setting and getting configuration variables

	#common
	
	$config->Set(NAME => 'CC', VALUE => 'gcc') ;
	$config->Set(NAME => 'LD', VALUE => 'ld') ;
	
	print "Value for 'CC' is '" . $config->Get(NAME => 'CC') . "'.\n\n" ;

	##test

	my $cc_value = $config->Get(NAME => 'CC') ;
	is($cc_value, 'gcc', 'Get returns right value') ;
	
	##POD "Would display:\n\tValue for 'CC' is '$cc_value'.\n\n" ; # note the \t in the string so the pod is presented properly
	
=end POD::Tested


alternate tags

=head3 Set the same variable multiple time with different values


This will create a container with default values. You can modify the container behaviour by passing options
to the constructor. We will see advanced initalization later.

=head3	Setting and getting configuration variables

=begin common

	$config->Set(NAME => 'CC', VALUE => 'gcc') ;
	$config->Set(NAME => 'LD', VALUE => 'ld') ;
	
	print "Value for 'CC' is '" . $config->Get(NAME => 'CC') . "'.\n\n" ;

=end common

Would display:

=begin hidden

	my $cc_value = $config->Get(NAME => 'CC') ;
	is($cc_value, 'gcc', 'Get returns right value') ;
	generate_pod("\tValue for 'CC' is '$cc_value'.\n\n") ; # note the \t in the string so the pod is presented properly

=end hidden

=for POD "\tValue for 'CC' is '$cc_value'.\n\n") ; # note the \t in the string so the pod is presented properly

=head3 Set the same variable multiple time with different values

or

=begin not_common

some code that is not to be seen

=end not_common

=begin common

stuff to be see

=end common

=begin not_common

more stuff to not be seen but run with the common part

=end not_common


=begin test

run test

generate_pod

=end test