BUG: Bug in Series construction of mixed type with datelike and an integer (which should result in
     object type and not automatic conversion)
Merge pull request #6028 from jreback/series_infer

BUG: Bug in Series construction of mixed type with datelike and an integer
Escape special characters in to_latex()
Merge pull request #5374 from bjornarneson/patch-1

Escape special characters in to_latex() output
PERF: vbenches for DataFrame.apply
PERF: perf enhancements for DataFrame.apply (GH6013)
TST: check appropriate tests for apply
PERF: allow apply to use the fast-path in mixed type frames except where datelike
      are present
Merge pull request #6024 from jreback/apply_perf

PERF: apply perf enhancements
BUG: Possible segfault when chained indexing with an object array under numpy 1.7.1 (GH6026)
Merge pull request #6031 from jreback/index_segfault

BUG: Possible segfault when chained indexing with an object array under numpy 1.7.1 (GH6016)
DOC: be more vague in enhancingperf.rst GH6013
API: Add equals method to NDFrames. (Implemented with `array_equivalent`, which is similar to `np.array_equal` except that it handles object arrays and treats NaNs in corresponding locations as equal.