v2.3.0  20-07-2022 -- to_json_stat() accepts note, role and unit.
v2.2.1  11-08-2021 -- Fixes #30. Solved import behavior.
v2.2.0  03-22-2020 -- to_json_stat() accepts now source and updated JSON-stat metadata.
v2.1.0  03-22-2020 -- Dataset.read() accepts now to_json_stat() optional arguments, to pass a different value column name.
v2.0.0  02-23-2020 -- Use Pandas 1.X, not backwards compatible. Changed to pytest and pipenv. Accepted PR to potentially disable SSL checks when requesting URLs.
v1.1.0, 03-03-2017 -- Fixes issues #20 and #22.
v1.0.1, 03-03-2017 -- Trying to fix pypi RST parsing problems.
v1.0.0, 02-03-2017 -- Major version release with support for JSON-stat 2.0 datasets, collections and dimensions. Performance improvements. Fixed bug with sparse datasets. Simplified API.
v0.3.5, 10-24-2016 -- Fixed problem with missing values. Refactored code.
v0.3.4, 10-02-2016 -- Had to use pandas 0.18.1 version. Problems building 0.19.0 in travis ci.
v0.3.3, 10-02-2016 -- Fixes #12. Added dimension elements sorting by index when reading json-stat.Added new test case.
v0.3.2, 11-26-2015 -- Fixes #9. Removed useless code about numeric conversion. Fixed bug making zeroes appear as null in to_json_stat(). Added new test cases.
v0.3.1, 09-04-2015 -- Solved unicode incompatibilities between Python 2 and 3. Removed zero trailing function in dataframe values and changed labels integer values by strings.
v0.3.0, 08-20-2015 -- Added initial support for JSON-stat 1.03 datasets. Moved sample test data to files. Added more tests with more real datasets, improved examples, made some minor code improvements and fixes (such as to_json dict order, avoid popping the values list in to_dataframe conversion and unicode issues with Python 3).
v0.2.0, 08-16-2015 -- Changed example to work with requests module instead of urllib2. Also, fixed code and tests to work in Python 3.4 too. Added Travis CI server synced with Github.
v0.1.9, 08-15-2015 -- Fixed reported minor bugs and pylint issues. Added value column name as optional parameter in json to dataframe methods.
v0.1.3, 05-22-2014 -- removed bin references from setup.py.
v0.1.2, 05-22-2014 -- fixed TypeError in to_json_stat().
v0.1.1, 05-22-2014 -- Moved example.py from bin directory.
v0.1.0, 05-22-2014 -- Initial release.
