added check for php file
File is checked to be parsed

Tabular indentation changed to spaces, changed the description
If format changed
Merge pull request #49 from jimmy1993k/master

added check for php file in the GearmanCacheWrapper
Fixing some coding style and comments

Fixing PR #49
Adding Method to Request Job Status
Merge pull request #50 from DZunke/master

Adding Method to Request Job Status
Updated #50 changes.

* Method is called getJobStatus insetad of old one.
* Last method was returning "The job is known?" instead of real method responsability "Is job still running?"
* New method return all job status data wrapped by a class called JobStatus
* This class has needed getters
* Also tested