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* Support for Python 2.7, 3.0, 3.1, and 3.2 added and tested.
* Added timeout parameters to most urlopen and dump functions.
* Simplified test infrastructure.
* Fixed date handling in ATC to match AESO's new format.
* Removed all ATC functions from pyaeso.ets module. These functions
have been marked as deprecated since 0.5 and have been replaced by the
aeso.atc module.
* Updated aeso.csd parser to convert total net generation values of '-'
to 'None' rather than throwing a ValueError.
* Updated examples to use aeso package.