Release version 0.3.1 (#957)

CHANGELOG.md

@@ -8,7 +8,13 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-### [Unreleased](https://github.com/h2oai/datatable/compare/HEAD...v0.3.0)
+### [Unreleased](https://github.com/h2oai/datatable/compare/HEAD...v0.3.1)
+#### Added
+#### Changed
+#### Fixed
+
+
+### [v0.3.1](https://github.com/h2oai/datatable/compare/0.3.1...v0.3.0) — 2018-04-20
 #### Added
 - Added ability to delete rows from a view Frame.
 - Implement countna() function for `obj64` columns.
@@ -56,7 +62,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed sorting of 1-row view frames.
 
 
-### [v0.3.0](https://github.com/h2oai/datatable/compare/0.3.0...v0.2.2) - 2018-03-19
+### [v0.3.0](https://github.com/h2oai/datatable/compare/0.3.0...v0.2.2) — 2018-03-19
 #### Added
 - Method `df.tonumpy()` now has argument `stype` which will force conversion into
   a numpy array of the specific stype.

datatable/__version__.py

@@ -5,4 +5,4 @@
 #   file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #-------------------------------------------------------------------------------
 
-version = "0.3.0"
+version = "0.3.1"

setup.py

@@ -7,6 +7,7 @@
 """
 Build script for the `datatable` module.
 
+    $ python setup.py sdist
     $ python setup.py bdist_wheel
     $ twine upload dist/*
 """
@@ -341,9 +342,18 @@ def get_extra_link_args():
 
     description="Python library for fast multi-threaded data manipulation and "
                 "munging.",
+    long_description="""
+        This is a Python package for manipulating 2-dimensional tabular data
+        structures (aka data frames). It is close in spirit to pandas or SFrame;
+        however we put specific emphasis on speed and big data support. As the
+        name suggests, the package is closely related to R's data.table and
+        attempts to mimic its core algorithms and API.
+
+        See https://github.com/h2oai/datatable for more details.
+    """,
 
     # The homepage
-    url="https://github.com/h2oai/datatable.git",
+    url="https://github.com/h2oai/datatable",
 
     # Author details
     author="Pasha Stetsenko",
@@ -373,6 +383,8 @@ def get_extra_link_args():
         "psutil"
     ],
 
+    python_requires=">=3.5",
+
     tests_require=get_test_dependencies(),
 
     extras_require={