Update PDDebugger.h

Accepting 'severity' parameter for console logging
Update PDConsoleDomainController.h

Accepting 'severity'
Update PDConsoleDomainController.m

Accepting 'severity' parameter
Update PDDebugger.m

Accepting 'severity' parameter
Update PDDebugger.h

Accepting 'severity' parameter
Merge pull request #1 from tarokker/patch-1

adding 'severity' parameter to console log?