BUG: replace with a scalar works like a list of to_replace for compat with 0.12 (GH5319)
BUG: core/generic/_update_inplace not resetting item_cache (GH5628)
BUG: make sure partial setting with a Series like works with a completly empty frame  (GH5632)
BUG: Validate levels in a multi-index before storing in a HDFStore (GH5527)
VIS: added ability to plot DataFrames and Series with errorbars