This prevent errors in PHP 5.4+ that give this message:
Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.
Call stack errors:
``` bash
Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Provider/DateTime.php on line 19
Call Stack:
0.0022 242728 1. {main}() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/core/console:0
0.0246 4151080 2. PatternLab\Console::run() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/core/console:46
0.0272 4383296 3. PatternLab\Console\Commands\GenerateCommand->run() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/core/src/PatternLab/Console.php:91
0.0475 5997128 4. PatternLab\Generator->generate() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/core/src/PatternLab/Console/Commands/GenerateCommand.php:42
0.0521 6393904 5. PatternLab\PatternData::gather() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/core/src/PatternLab/Generator.php:69
0.0740 7502704 6. Symfony\Component\EventDispatcher\EventDispatcher->dispatch() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/core/src/PatternLab/PatternData.php:150
0.0741 7503296 7. Symfony\Component\EventDispatcher\EventDispatcher->doDispatch() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/symfony/event-dispatcher/EventDispatcher.php:43
0.0741 7503680 8. call_user_func:{/Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/symfony/event-dispatcher/EventDispatcher.php:174}() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/symfony/event-dispatcher/EventDispatcher.php:174
0.0741 7503800 9. PatternLab\Faker\PatternLabListener->fakeContent() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/symfony/event-dispatcher/EventDispatcher.php:174
0.0742 7503888 10. PatternLab\Faker\PatternLabListener->recursiveWalk() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/plugin-faker/src/PatternLab/Faker/PatternLabListener.php:111
0.0796 7732240 11. PatternLab\Faker\PatternLabListener->recursiveWalk() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/plugin-faker/src/PatternLab/Faker/PatternLabListener.php:178
0.0796 7732728 12. PatternLab\Faker\PatternLabListener->compareReplaceFaker() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/plugin-faker/src/PatternLab/Faker/PatternLabListener.php:180
0.0796 7733464 13. Faker\Generator->__get() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/pattern-lab/plugin-faker/src/PatternLab/Faker/PatternLabListener.php:95
0.0796 7733464 14. Faker\Generator->format() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Generator.php:238
0.0796 7734144 15. call_user_func_array:{/Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Generator.php:196}() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Generator.php:196
0.0796 7734360 16. Faker\Provider\DateTime->monthName() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Generator.php:196
0.0796 7734480 17. Faker\Provider\DateTime::dateTime() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Provider/DateTime.php:255
0.0796 7734680 18. Faker\Provider\DateTime::unixTime() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Provider/DateTime.php:48
0.0796 7734784 19. Faker\Provider\DateTime::getMaxTimestamp() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Provider/DateTime.php:32
0.0796 7734832 20. strtotime() /Users/Evan/dev/p2/dev-tools/theme-tools/pattern-lab-starter/pattern-lab/vendor/fzaninotto/faker/src/Faker/Provider/DateTime.php:19
```
This prevent errors in PHP 5.4+ that give this message:
Call stack errors:
Note that on PHP 5.6+ this is actually a fatal error, and not just a warning.
Released in v2.0.1