version 0.5.2

• add ability to specify HTTP/HTTPS proxies

version 0.5.1

replace DataFrame.append with pd.concat to remove deprecation warning

version 0.5.0

• add optional realtime_start/end arguments to get_series_all_releases()

version 0.4.3

• Make compatible with python 3.9

version 0.4.2

• Added LICENSE file to released package

version 0.4.1

• Fix dependency issues when installing from fresh virtualenv (#20)

version 0.4.0

• fixed deprecation warning for to_datetime()

version 0.3.7

• Use HTTPS for FRED API calls instead of HTTP

version 0.3.6

• make backwards compatible with older pandas versions without Timestamp

Version 0.3.5

• made pandas a runtime dependency only, not a build dependency
• updated unit tests