Brain Statistics Fine Tuned

o    Fixes:

§  Thoughts: Thought Types, Events and Forgotten Thoughts are excluded

§  Links: Link Types and Links involving Thought Types are excluded, Links to forgotten Thoughts and events are excluded

§  Notes: Events and Forgotten Thoughts are excluded

§  Attachments: Attachments of forgotten Thoughts and types are excluded

§  Thought types: Events are excluded

o    Tags and Events lines added