Disallow Series indexing by DataFrame
Fixes #8444.  I don't like importing DataFrame, but this was most obvious way to do it.

gr8. ping on green
 @jreback -- Green...30+ min for the slow tests.  I noticed the issue open for it and that would be a great fix.
 thanks for the fix

yah I made it a bit faster but lots of tests just take a bit of time 

u r welcome to work on it!
