BUG: rolling_count() and expanding_*() with zero-length args; rolling/expanding_apply() with min_periods=0
CLN: PEP8 cleanup of holiday.py
Added chunksize argument to to_sql

Adding chunksize parameter in to_sql method of DataFrame

Fix Travis CI failures

Changing transaction management to be compatible with SQLAlchemy 0.7.1

Code review fixes

Documentation updates

Documentation fixes

Fixes
BUG: left join on index with multiple matches (GH5391)
Merge pull request #8062 from artemyk/to_sql_chunksize

Added chunksize argument to to_sql
BUG: fix checking of table name in read_sql (GH7826)
Merge pull request #7961 from jorisvandenbossche/sql-7826

BUG: fix checking of table name in read_sql (GH7826)
ENH: add support for datetime.date/time in to_sql (GH6932)
Merge pull request #8085 from mortada/pep8_cleanup

CLN: PEP8 cleanup of holiday.py
BUG: fix iat and at for Float64Index
Merge pull request #8094 from cpcloud/float64index-iat-at

BUG: fix iat and at for Float64Index
TST: Fix boxplot test for python3
ENH/CLN: add BoxPlot class inheriting MPLPlot
DOC: updated cookbook.rst
Merge pull request #7998 from sinhrks/boxplot

ENH/CLN: add BoxPlot class inheriting MPLPlot
Merge pull request #8098 from sinhrks/gh8091

TST: Fix boxplot test for python3
ER: clarify import error message of BeautifulSoup (read_html)
DOC: fix formatting in dependencies in install.rst
Merge pull request #8111 from jorisvandenbossche/doc-install

DOC: fix formatting in dependencies in install.rst
Merge pull request #8110 from jorisvandenbossche/err-bs

ER: clarify import error message of BeautifulSoup (read_html)