TST: test updates for testing
Merge pull request #4445 from jreback/hdf_fix

TST: test updates for testing
DOC: change lzip,lrange in 10min.rst to list(zip(..)) and list(range(..))
DOC: minor 10min.rst import fixes
DOC: lrange, lzip --> list(range and list(zip
TST: util/testing improvements

assertRaises and assertRaisesRegexp are now with-statement-compatible,
refactored assert_panel_equal and removed check_index_freq from
assert_series_equal.
Merge pull request #4450 from jtratner/change-range-zip-in-docs

DOC: lrange, lzip --> list(range and list(zip
Merge pull request #4451 from jtratner/better-assert-tests

TST: pandas/util/testing : test improvements and cleanups
BUG: fix truncation for astype(str)