PyThaiNLP 2.2.1

[wannaphong]

• Fix %O modifier for thai_strftime() Fix %O modifier for thai_strftime() #441
• Fix db.json Fix update bug #442

[pep8speaks]

Hello @wannaphong! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file pythainlp/corpus/core.py:

Line 99:80: E501 line too long (84 > 79 characters)
Line 142:80: E501 line too long (98 > 79 characters)
Line 144:80: E501 line too long (95 > 79 characters)

[coveralls]

Coverage decreased (-0.4%) to 95.01% when pulling a158dd4 on dev into 980d104 on 2.2.