added china holidays for the year 2022

v0.9.8

update version

Added interval calculator for moving average and std

v0.9.6

DOC: bump version to 0.9.6

Added first version of time interval calculator

v0.9.2

Update README.md

update china calendar for the year 2021

v0.9.1

DOC: bump version number to 0.9.1

Update china calendar from year 1992

v0.9.0

DOC: bump version to 0.9.0

update china calendar fo Coronavirus event

v0.8.1

update china calendar for Coronavirus event

Update china calendar for the year 2020

v0.8.0

bump version to 0.8.0

Fixed china national holiday issue in year 2019

v0.7.4

bump version 0.7.4

FIxed a bug in Chinese Ching Ming festival

v0.7.3

Release version 0.7.3 for fixing a bug in Ching Ming festival

update china calendar fo the newly announced labor days

update china holiday