BUG: Bug in DatetimeIndex iteration, related to (GH8890), fixed in (GH9100)
Fixes GH9099: Support simultaneous copy and dtype args in DataFrame init
TST: sql skip tests at class level if database is not available
Merge pull request #9104 from jreback/dti_iteration

BUG: Bug in DatetimeIndex iteration, related to (GH8890), fixed in (GH9100)
API: Index.duplicated should return np.array
Merge branch 'master' of https://github.com/mairas/pandas into mairas-master

Conflicts:
	doc/source/whatsnew/v0.16.0.txt
Merge branch 'duplicated2' of https://github.com/sinhrks/pandas into sinhrks-duplicated2
Merge branch 'trailing_spaces_fix' of https://github.com/selasley/pandas into selasley-trailing_spaces_fix

Conflicts:
	doc/source/whatsnew/v0.16.0.txt
SQL: fix type conversion for Timestamp object typed columns (GH9085)
Merge pull request #9110 from jorisvandenbossche/sql-testing-skipclass

TST: sql skip tests at class level if database is not available
Merge pull request #9109 from jorisvandenbossche/sql-timestamp-object

SQL: fix type conversion for Timestamp object typed columns (GH9085)
fix an nbviewer link in tutorials

some escape characters snuck in there that cause the URL to be invalid
Merge pull request #9120 from minrk/nbviewer-link

fix an nbviewer link in tutorials
unstack with nan in the index
Merge pull request #9061 from behzadnouri/nan-pivot

pivot & unstack with nan in the index
PERF: fix slow s.loc[[0]]

Fixes GH9126
fixup unicode compat with 3.2 in test_index.py
Merge pull request #9135 from jreback/fix_32

fixup unicode compat with 3.2 in test_index.py
Merge pull request #9127 from shoyer/fix-slow-loc

PERF: fix slow s.loc[[0]]
TST: Fix failing test due to revision in WB data #9115