Test case for #1504
Fix #1504
Implement #1495
Test case for #1509
Fix #1509
Merge pull request #1507 from sjinks/issue-1504

Fix #1504
Merge pull request #1508 from sjinks/issue-1495

Getter for Phalcon\Logger\Adapter\File::_path
Merge pull request #1510 from sjinks/issue-1509

Fix assertion failure on unclean shutdown