Dropping rows inplace, weird bug with 0.13.0rc1
In c239b06e I have the following weird behavior. I am even unsure how to describe it, but somehow the dropping of rows selected via a boolean leads to a failure of dropping the rows only for the Series of a DataFrame that met the condition in the first place.
Please have a look at the MWE I figured out after some hacking and trying out:

http://nbviewer.ipython.org/gist/michaelaye/7744592

Please tell me I'm not being dumb again?
