Added Laravel project

Laravel/vendor/mtdowling/cron-expression/README.md

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+PHP Cron Expression Parser
+==========================
+
+[![Latest Stable Version](https://poser.pugx.org/mtdowling/cron-expression/v/stable.png)](https://packagist.org/packages/mtdowling/cron-expression) [![Total Downloads](https://poser.pugx.org/mtdowling/cron-expression/downloads.png)](https://packagist.org/packages/mtdowling/cron-expression) [![Build Status](https://secure.travis-ci.org/mtdowling/cron-expression.png)](http://travis-ci.org/mtdowling/cron-expression)
+
+The PHP cron expression parser can parse a CRON expression, determine if it is
+due to run, calculate the next run date of the expression, and calculate the previous
+run date of the expression.  You can calculate dates far into the future or past by
+skipping n number of matching dates.
+
+The parser can handle increments of ranges (e.g. */12, 2-59/3), intervals (e.g. 0-9),
+lists (e.g. 1,2,3), W to find the nearest weekday for a given day of the month, L to
+find the last day of the month, L to find the last given weekday of a month, and hash
+(#) to find the nth weekday of a given month.
+
+Installing
+==========
+
+Add the dependency to your project:
+
+```bash
+composer require mtdowling/cron-expression
+```
+
+Usage
+=====
+```php
+<?php
+
+require_once '/vendor/autoload.php';
+
+// Works with predefined scheduling definitions
+$cron = Cron\CronExpression::factory('@daily');
+$cron->isDue();
+echo $cron->getNextRunDate()->format('Y-m-d H:i:s');
+echo $cron->getPreviousRunDate()->format('Y-m-d H:i:s');
+
+// Works with complex expressions
+$cron = Cron\CronExpression::factory('3-59/15 2,6-12 */15 1 2-5');
+echo $cron->getNextRunDate()->format('Y-m-d H:i:s');
+
+// Calculate a run date two iterations into the future
+$cron = Cron\CronExpression::factory('@daily');
+echo $cron->getNextRunDate(null, 2)->format('Y-m-d H:i:s');
+
+// Calculate a run date relative to a specific time
+$cron = Cron\CronExpression::factory('@monthly');
+echo $cron->getNextRunDate('2010-01-12 00:00:00')->format('Y-m-d H:i:s');
+```
+
+CRON Expressions
+================
+
+A CRON expression is a string representing the schedule for a particular command to execute.  The parts of a CRON schedule are as follows:
+
+    *    *    *    *    *    *
+    -    -    -    -    -    -
+    |    |    |    |    |    |
+    |    |    |    |    |    + year [optional]
+    |    |    |    |    +----- day of week (0 - 7) (Sunday=0 or 7)
+    |    |    |    +---------- month (1 - 12)
+    |    |    +--------------- day of month (1 - 31)
+    |    +-------------------- hour (0 - 23)
+    +------------------------- min (0 - 59)
+
+Requirements
+============
+
+- PHP 5.3+
+- PHPUnit is required to run the unit tests
+- Composer is required to run the unit tests