Add files generated by phpize to gitignore
Hide fann errors and use them for PHP Warnings
Remove xor_float.net example file
Clean unused globals and ini
Fix memory leaks in fann_run
Add resource for fann_train_data struct
Add fann_read_train_from_file and improve error checking
Clean up the code a bit
Add fann_destroy_train
Add xor_train.php example