API: default export for to_clipboard is now csv (GH3368)
Merge pull request #5070 from jreback/clip

API: default export for to_clipboard is now csv (GH3368)
ENH/API: Accept DataFrame for isin

API: Series should respect index labels.

Dupes on both index and columns

DOC: Update docstring. remove extra line.

TST: Test on multiIndex.

Update what's new to use a DataFrame

TST: test Multi against Index

more levels not monotonic.

DOC: docstring formatting.

TST/DOC: Test for dupe on self. Examples in doc