Merge pull request #34 from jeff1evesque/php_tests_index

#33: index.php, form action reference 'logic_loader.php'
Merge pull request #35 from jeff1evesque/php_tests_index

#33: index.php, fix typo reference 'php/' subdirectory
#6: Add 'logic_loader.php'
#6: logic_loader.php, reorganize code, add conditional statements
#6: logic_loader.php, fix conditional statements
#6: logic_loader.php, minor language changes
#6: logic_loader.php, pass form object to python scripts
#6: logic_loader.php, add comment for 'python_code()'
#6: logic_loader.php, minor language changes
#6: logic_loader.php, additional comments
#6: logic_loader.php, use 'escapeshellarg()' for parameters
Merge pull request #36 from jeff1evesque/php_logic_loader

#6: Create 'python/logic_loader.php'
#37: Implement 'fieldsets' for 'tests/php/index.php'