ENH: allow read_excel to accept URLs (GH6809)
DOC: Use correct, non-deprecated arg name
DOC: correct relase note
Merge pull request #7550 from sinhrks/rn_fix

DOC: correct relase note
Merge pull request #7545 from neirbowj/frame_to_excel_docstring

DOC: Use correct, non-deprecated arg name
Merge pull request #7531 from dsm054/excel-via-url

WIP/ENH: allow read_excel to accept URLs (GH6809)
BUG: Bug in setitem with list-of-lists and single vs mixed types (GH7551)
Merge pull request #7552 from jreback/iloc

BUG: Bug in setitem with list-of-lists and single vs mixed types (GH7551)
BUG: DatetimeIndex.asobject raises ValueError when contains NaT
Merge pull request #7544 from sinhrks/dtmixin

BUG: DatetimeIndex.asobject raises ValueError when contains NaT
BUG: isnull doesnt handle PeriodNaT properly