Added option to disable hooks on job. I need this, since the class I'…

[holgersindbaek]

…m delaying also have a 'before' method

[coveralls]

Coverage increased (+0.02%) to 91.143% when pulling caa82a7 on holgersindbaek:master into e3772d4 on collectiveidea:master.

[coveralls]

Coverage increased (+0.02%) to 91.143% when pulling caa82a7 on holgersindbaek:master into e3772d4 on collectiveidea:master.

[albus522]

I think there might be a better, less all or nothing, approach but this is an interesting issue. We might also need to rely on a less collision prone implementation in future versions but that would need to be phased in to avoid breaking existing apps.