Added youtube to work with aggregation
Added google support
Recursive search through related topics
Updated API
Save State
Lowered Depth Limit and Added Try Around Google

So that when google fails due to overuse of api, it still works
Merge branch 'master' into feature/aggregator

Conflicts:
	omnithinker/api/google.py
	omnithinker/api/youtube.py
Merge remote-tracking branch 'origin/master'

Conflicts:
	omnithinker/api/youtube.py