remove class_aliases for php 5.3 and use implementation instead
remove class_aliases for php 5.3 and use implementation instead

php-refactoring/zend-array-utility,sravanchandj/zend-stdlib,weierophinney/zend-stdlib,MadCat34/zend-stdlib,akrabat/zend-stdlib,adamlundrigan/zend-stdlib,ezimuel/zend-stdlib