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			Drop support for numpy < 1.7.0
	 
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			The Categorical type was integrated as a first-class pandas type
	 
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			New scalar type Timedelta, and a new index type TimedeltaIndex
	 
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			New DataFrame default display for df.info() to include memory usage
	 
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			New datetimelike properties accessor .dt for Series
	 
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			Split indexing documentation into Indexing and Selecting Data and MultiIndex / Advanced Indexing
	 
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			Split out string methods documentation into Working with Text Data
	 
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			read_csv will now by default ignore blank lines when parsing
	 
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			API change in using Indexes in set operations
	 
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			Internal refactoring of the Index class to no longer sub-class ndarray
	 
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			dropping support for PyTables less than version 3.0.0, and numexpr less than version 2.1