Prepare next release and add changes to changelog

CHANGELOG.rst

 Changelog
 =========
+0.20.2
+------
+* estimated_mana is now capped by estimated_max
+* print_info fixed()
+* get_api_methods() and get_apis() added to Steem
+
 0.20.1
 ------
 * Improved get_rc_manabar(), get_manabar() output

beem/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.2'
+version = '0.20.3'

beemapi/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.2'
+version = '0.20.3'

beembase/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.2'
+version = '0.20.3'

beemgraphenebase/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.2'
+version = '0.20.3'

setup.py

@@ -16,7 +16,7 @@ except LookupError:
     ascii = codecs.lookup('ascii')
     codecs.register(lambda name, enc=ascii: {True: enc}.get(name == 'mbcs'))
 
-VERSION = '0.20.2'
+VERSION = '0.20.3'
 
 tests_require = ['mock >= 2.0.0', 'pytest', 'pytest-mock', 'parameterized']