BUG: "converters" in read_excel with missing data
docs fix (?)
Merge pull request #8548 from iosonofabio/excel_dtype

BUG: inconsistent and undocumented option "converters" to read_excel
VIS: plot with `use_index=False` shouldn't plot the index name

Add test case

Add check for use_index before setting label

Add to release notes

Add test case for barplot

Add checks for use_index in bar plot

Missed merge conflict marker
Merge pull request #8812 from onesandzeroes/plotlabel

VIS: plot with `use_index=False` shouldn't plot the index name
BUG CSV: fix problem with trailing whitespace, issues 8661, 8679
ENH CSV: improve memory footprint when skipping first N rows, issue 8681